Searching is easy. Simply type in a few search terms and click Go at the top of any page to start a new search. If you are modifying an existing search use the edit keywords function under ‘Your Selections’ to edit or add keywords. The main search box on the top of your page will clear your existing search and start a new search. To perform a much more detailed search, see the Search and Search Results section for help on performing a targeted search that you can save for future use.