Changing results on the fly:
If you are looking for a specific type of result, like a bookmark or tag, you can speed up the process of finding it by typing in special characters anywhere in the location bar separated by spaces:
Add ^ to search for matches in your browsing history.
Add * to search for matches in your bookmarks.
Add + to search for matches in pages you've tagged.
Add % to search for matches in your currently open tabs.
Add ~ to search for matches in pages you've typed.
Add # to search for matches in page titles.
Add @ to search for matches in web addresses (URLs).