Actually this limit of 10 is hard-coded in the software code of pantheon-files
(libwidgets/View/SearchResults.vala
, lines 59-61)
const int MAX_RESULTS = 10;
const int MAX_DEPTH = 5;
const int DELAY_ADDING_RESULTS = 150;
You can even increase this number in order to display more results, but nevertheless the number of results displayed stays limited. You can change the number 10 after MAX_RESULTS =
to the value wanted in the file and rebuild the package (debuild -us -uc
).
So you still might want to file a feature request to implement a way of showing all results when you click on the "…", however.