Sometimes your searches bring up too many articles, not enough articles , or articles that don't really relate to what you're searching for. Adding one of these keywords can often help re-focus your search and return more useful results. Consider the following suggestions:
For example, if you are writing about student loans, you might try searching: "student loans" AND "controversy"
Google has a neat feature that aggregates the most-searched topics of each year. If you're stumped for a topic for a controversial issues paper or a pop culture paper, this might be a way to give yourself some ideas.
Mind Mapping is a brainstorming tool from Credo it offers a visual representation of how topics are interrelated. Literati also offers Topic Pages that take a topic and offer background information, context and links to help explore the topic in more detail. The Topic Pages also offer articles related to the topic.