It is usually a good idea to start out broadly, so using just one or two of your topic terms is a good way to begin. Once you have a set of results, you can begin narrowing down your results by entering one or more terms. Searching in a specific field such as "Subject" or "Title" will narrow or focus your results.
Using Library Databases to Find Articles: To locate articles using Library databases, you can also click on Databases from the Library homepage and browse by subject or you can select the first letter of the database name.