Explain the problem as you see it
The larger the repository of notes, the greater the probability that the phrase one would look for in a search engine already exists in one's notes.
Why is this a problem for you?
It's better to search once in multiple places than to repeat the search.
Suggest a solution
Hopefully, we will get Web Clipper one day and this functionality could be integrated into it: https://chrome.google.com/webstore/detail/logseq-copilot/hihgfcgbmnbomabfdbajlbpnacndeihl