To quickly find a tool in the list, press click on the Find a tool input box, or just press the Ctrl+F key combination, and enter the partial or complete name of the tool you want to find.
As you type in, the first matched tool is automatically selected in the list, but it may not be visible yet. press the Enter key, or click the magnifier icon to the right to select the tool. If no tool matches the keyword, no tool is selected.
After the first matched tool is selected, you can step to the next match by clicking the magnifier icon again, or just pressing the F3 key. If there are no more matches, no item is selected in the list. Click the magnifier or press F3 again to repeat the search.