You are confusing two very different concepts here: search engine/indexing and assistant.
The behavour you're describing is an assistant's behaviour. When I'm using a search engine I'm _searching_ for content rather than asking for assistance.
Google seems to "solve" this difference with optional syntax like quotes but there's no fuzzy searching so you're stuck with either an assistant or explicit matching.
I don't think I am confusing anything. Google has deliberately oriented Google Search to better serve queries over lookups in recent years. For example, adding BERT. You don't need a semantic NLP engine to look up keywords.
The behavour you're describing is an assistant's behaviour. When I'm using a search engine I'm _searching_ for content rather than asking for assistance.
Google seems to "solve" this difference with optional syntax like quotes but there's no fuzzy searching so you're stuck with either an assistant or explicit matching.