AI search engines don't run your keyword. They fan it out into 10-50 sub-queries behind the scenes (Google AI Mode calls this "query fan-out"; ChatGPT Search and Perplexity do it differently but the mechanic is the same) then blend the retrieved answers. Type one seed keyword. See the pack the engine is probably running.
Read the story behind this tool: Query Fan-Out — Why AI Search Doesn't Actually Run Your Keyword →
A noun phrase works best — product, topic, problem, or question. Optional modifiers shape which intent buckets appear.