You can either hit ALT-F2 or you can just press ALT, hit the first letter of what you are looking for, release ALT, then continue typing. After hitting ALT-F2,

You can either hit ALT-F2 or you can just press ALT, hit the first letter of what you are looking for, release ALT, then continue typing. After hitting ALT-F2, you will see a little spanner on the left of the dialogue that opens. Click on that and you get additional options where to search for your term, including devices, bookmarks, applications, the calculator etc.