The basic search page allows you to enter terms related to your topic into the large blue bar at the top of the page.
Let's say you are looking for information on J.P. Morgan's recent $2 billion trading loss. An example of related terms would be: J.P. Morgan trade loss 2012
Note your option of searching for: 1) only resources that are available in this database (the full text option) AND/OR 2) only resources that have been peer-reviewed. Peer-reviewed resources are those that have been reviewed by other scholars in the author's discipline.