Search engines allow you to perform keyword searches of the internet. You should be aware that different search engines use different methods of performing searches and results will vary accordingly. If you get too few or too many hits, you may need to change your search strategy or use a different search engine.

AltaVista http://www.altavista.com/

Ask.com http://www.ask.com/#subject:ask|pg:1

Excite http://www.excite.com/

Google http://www.google.ca

Lycos http://www.lycos.com/

Yahoo http://ca.yahoo.com/

There are also some search engines specific to law:

Findlaw http://www.findlaw.com/

The Law Engine http://www.thelawengine.com/