In Firefox's addressbar, you can limit results by typing special characters before or after your term
^ for matches in your browsing history.
* for matches in your bookmarks.
% for matches in your currently open tabs.
# for matches in page titles.
@ for matches in web addresses.
@algorev haven't thought of that. although i did try and it looks like these filters work on their own only. probably someone can enhance the query happening in the backend. probably avoided for performance reasons?