Visit the articles & databases page. Find the best library database for your topic, and click on the title. Enter keywords into the search box that is located at the top of the page. For instance: internet and addiction would look like the image below. If your initial search does not yield enough articles, try different keywords.
SIRS Issues Researcher (for opposing viewpoints on controversial issues) is a database designed for subject searching. It may also be helpful in picking a topic to write about. SIRS provides articles exploring social, scientific, health, historic, business, economic, political, and global issues. A helpful list of popular topics is included as well as current issues.