I've been waiting for years not for the iOS documents search to work, but finally I'm losing my patience. It has *never* worked. When I look for "rib" e.g., knowing exactly where the file is located, it's impossible to find it via search.
Hi @h_p_r; thanks for using Dropbox and welcome to our Community!
As per the relevant Help Center article, searching the entire Dropbox folder on the Files app isn't currently supported. Search is limited to only the current folder you're browsing, and to recently opened folders.
I hope this helps to some extent and please let me know if you have any more questions.