This screen provides three boxes in which to enter your search terms for a keyword search.
You can think of each search box as representing one concept in your search. You can connect words and search them using AND or OR.
1. Enter policy in the first search box and "sustainable development" in the second search box.
The pull-down boxes allow you to connect terms with AND or OR. For this search you will use AND. The quotation marks are used to search sustainable development as a phrase.
Now click on the Go button or hit Enter.