Use the Search Strategy Worksheet in the Library Handout to help you develop your search strategies.
If you are new to your topic or would like to start by reading some more general background information, here are some good places to start:
Note: Review articles, an important source of background information, can be really helpful in getting started: They synthesize key research on your topic, and normally are written by experts in your fields.
You can find articles and conference papers in the following databases:
Publications from Organizations or Governments
Check the Finding Patents and Finding Dissertations guides for relevant resources.
What if the library doesn't have an article or book you want? Use the Interlibrary Loans system to request it from another library (generally free of charge for Western users).