Internet Search Engines
Many general search engines do not search their own databases. Instead, most draw their search results from the databases of either Google or Bing.
Ask (question & answer format remains, but no longer uses its own database of Web sites for searching)
YaHoo! (now searches the Bing database of Web sites)
Here are two additional search engines you might want to try that are not nearly as large as Google or Bing but contain unique databases:
To see many more search engine choices for specific subject areas, try:
Law-Specific Search Engines
LawCrawler (powered by Google, provided by FindLaw)
Academic Search Engines
Information About Search Engines
Search Engine Watch (mainly of interest to advertisers now)
Search Engine Relationship Chart (currently outdated - if updated again, a very useful chart )
Information About Searching the "Deep Web"
Deep Web Research 2012 , article by Marcus P. Zillman on LLRX.com , Jan. 16, 2012
Directories can be useful when you want to see sites organized by topic.