Google search tips:
Put phrases in quotation marks:
To search for your terms just in the titles of web pages, type intitle: in front of your terms.
Limit your results to certain domains (e.g., .edu, .gov, .org)
Search for the websites of organizations you read about in articles -- these organizations often have useful information.
Who is the author?
What are his/her qualifications?
Why was the website created?
When was it last updated?
How reliable is the information?
Learn More About How to Evaluate Websites.