Matt Covalt[1] posted[2] about his brilliant https://hndex.org/, a "full-text search engine of articles submitted to HN" last week. This is basically the same, but the results update as you type, in real time.

Thanks to arc-in-space for the idea[3].

[1] https://news.ycombinator.com/user?id=mcovalt

[2] https://news.ycombinator.com/item?id=24079592

[3] https://news.ycombinator.com/item?id=24089763