Notes:
(a) = can be used for multiple terms
(b) = OR works best if no other search terms or features are included
Additional note: "site" and "domain" work interchangeably on some search engines
Search engines included in chart:
Ask: http://www.ask.com
Bing: http://www.bing.com
Google: http://www.google.com
Yahoo!: http://search.yahoo.com