Quick answer
Search at the content level. Build a topic map with core terms, entities, games, genres, problems, formats, synonyms, adjacent interests, and exclusions; inspect recurring posts and transcripts; and classify whether the creator teaches, reviews, entertains, competes, reports, or builds community around the subject. Repetition and context matter more than a keyword hit.
Use this guide when broad categories produce generic lists or when the campaign needs creators credible around a specific use case, game, genre, moment, or subculture.
What matters most
Profiles are often stale or deliberately broad. Recent content reveals what the creator currently covers, which formats work, and how the audience responds.
Entity resolution matters. A game, franchise, publisher, genre, product nickname, hashtag, or visual reference may describe the same context even when the platform has no structured tag.
Classify the relationship to the topic: core identity, recurring pillar, recent series, adjacent interest, paid-only mention, historical interest, or incidental reference. This prevents false relevance.
A practical workflow
- 01
Create a topic and entity map with synonyms, parents, neighbors, and exclusions.
- 02
Search captions, titles, transcripts, visuals, tags, communities, and recommendation graphs.
- 03
Sample content over time and classify the creator's relationship to the topic.
- 04
Record relevant examples, dates, formats, audience response, and confidence.
- 05
Test a campaign concept against the creator's natural treatment of the subject.
Build the map from the audience's words
Topic maps are usually built from the brand's vocabulary, which is the vocabulary of the people who make the product rather than the people who use it. Those diverge sharply. Categories have internal names, marketing names and community names, and the community name is the one that appears in content and comments.
Collect the real vocabulary before writing any queries. Read the comment sections of a few obviously relevant creators, look at how communities describe the problem your product solves, and note the abbreviations, the nicknames and the slang. Include the terms for things adjacent to yours, and the terms people use when complaining about the alternative.
The payoff is not only better recall. The words you collect are the words the outreach message and the creative brief should use, and a brief written in the community's vocabulary produces content that sounds native rather than translated.
Most relevant content is not tagged
Structured topic tags exist on some platforms, cover a fraction of content, and are applied inconsistently where they exist. A creator can make an hour of content about your category with no tag, no hashtag, and a title that names the thing by a nickname nobody outside the community would search for.
So plan for the untagged case explicitly. Search titles and descriptions, transcripts where they are available, community spaces where the topic is discussed by name, and the recommendation graph around creators you already know are relevant. Following the collaboration network outward from a handful of confirmed creators reliably surfaces channels that no keyword query returns.
Where a platform offers no useful search at all, work from the audience side. The people commenting on relevant content follow other relevant creators, and their public activity is frequently the most efficient discovery surface available for that platform.
Precision and recall are a choice you make twice
Every query trades breadth against accuracy, and the right setting differs at different stages. During discovery you want recall: cast wide, accept noise, and find the channels you did not know existed. During evaluation you want precision: narrow the criteria and check each candidate properly.
Teams commonly run one query at one setting for both, and the failure mode depends on which they chose. A narrow query returns the obvious creators everybody else also found, which is the expensive end of the market. A broad query used without a filtering stage produces a list of two hundred names that nobody has time to assess, so the assessment defaults to whoever has the largest following.
Run both deliberately: a wide pass to build the pool, then a documented narrowing with stated criteria. The narrowing is where the search brief earns its keep, and it is the step most often skipped.
Common mistakes
- Using a single keyword mention as proof of expertise.
- Ignoring synonyms, visual context, and platforms without structured topic tags.
- Treating sponsored-only coverage as organic audience interest.
- Failing to account for a creator's recent topic shift.
Working checklist
- The topic map includes entities, synonyms, adjacency, and exclusions.
- Content—not only profile metadata—was reviewed.
- The creator's relationship to the topic is classified.
- Evidence spans enough time to be representative.
- The proposed creative fits the natural context.
Questions and answers
- How many search terms should a topic map have?
- Enough to cover the vocabulary the community actually uses, which is usually more than the brand's initial list and includes nicknames, abbreviations, competitor names and adjacent terms. There is no target count. The test is whether adding another term surfaces creators the existing set missed; when it stops doing that, the map is finished.
- What if the platform has no topic tags at all?
- Work from the network rather than the index. Start with a few creators you know are relevant and follow their collaborations, the accounts they reference, the communities they are part of, and the people who comment on them. Recommendation graphs and community spaces are better discovery surfaces than keyword search on platforms that were never built around topics.
- How do you search for a topic with a common-word name?
- Pair it with a co-occurring term rather than searching it alone, and search the entities around it: the specific products, the community names, the events, the people. Where the ambiguity is severe, the network approach is usually faster than trying to construct a query precise enough to separate the meanings.
- Is it worth searching transcripts?
- Where they are available, yes, and it changes what you find substantially. A creator can spend twenty minutes on your category in a video whose title and description mention none of it, and only the transcript records that. It is the difference between finding content that was labelled for your topic and finding content that was about it.
Sources and verification
Written by Nick Lombardi, Co-Founder & CTO, Streamforge. Published September 2, 2026; last verified September 2, 2026. Platform rules change, so confirm details against the primary sources below.

