After reading the text in the "Suggested Searches" section at the lower part of the screen, scroll down the brown "Search" buttons.
To the right of each Search
button, you can see checkboxes and pull-down menus. These are used to modify the
Change these settings only if you wish to change the search
that will be conducted when you click on the Search button. For your first
search, your best bet is to not change any of the checkbox or pull-down menu