cldwalker parent
Cmd-K to find any line in your notes and Cmd-shift-K to find any line in your page. Starting with 0.8.3 there is also a native find-in-page feature, https://docs.logseq.com/#/page/Find%20in%20page, which can search anything that is visible including results of queries
Its already lost me with nonsense keybindings and I haven't even installed it.
Thanks!
I think I tried Control+F, and maybe looking through menu items (it's probably there & I just missed it).