This means you'll receive results in batches of 10 unless you specify otherwise. Some search engines don't allow you this option. If your key word descriptors don't work, mix and match the words. Through trial and error, you may find the right combination. Narrow the Search - Many search engines now often categories of links that you can click to in order to focus your search.
Popular categories are business,travel, entertainment, shopping, and the like.
Web Search Strategies at SprintMail maintained by Debbie Flanagan. This is a really fine place to start. Another thoughtful site is Rice University's Internet Searching Strategies. Online Reference Works at Carnegie Mellon University is large and comprehensive. Search Engine Watch keeps track of what's happening with search engines.