Read the recommended readings
Go beyond your set readings
Find references in other articles
Try different search terms
Look for different subject terms
Try different search tools
Be patient
Evaluate your information
Remember, searching is not a linear process. You may change your search as you discover more information.

Typing your question into Google or the Library catalogue is not the best way to search.
Mapping out your search can be a good place to start:
Once you have planned your search, you need to connect your key words using:
Remember to use "quotation marks" to keep phrases together.
Use an asterisk * to find all the variations of your keywords
For example:
There are lots of other resources that can help you plan your search. Have a look at the ones below for more information.