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At its simplest, a search query can be just a word. But with the tips on this page, you can refine your search to give you more complete results.

• Look for two or more words at once by using the Boolean AND option.
  Example - type dogs puppies with the Boolean AND to find documents that have both the word dogs and the word puppies anywhere.

• Look for synonyms or similar words by using the OR option.
  Example - type dogs puppies with the Boolean OR to find either the word dogs or the word puppies, but not necessarily both.