Search Tips

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  • Query:  [space shuttle] will give you only documents with the phrase "space shuttle".

  • Use of "or":  [space or shuttle]to return pages with the word "space", the word "shuttle" or both words.

  • Use of "and":  [space and shuttle] to get documents with both words "space" and "shuttle" contained within.

  • Use of "and not":  [space and shuttle] to return pages with the word "space", but not the word "shuttle".

  • Use of "near":  [space near shuttle] sorts results in order of proximity of the word "space" to the word "shuttle". The closer the words, the higher the rank.

  • Use of parenthesis "(...)":  [(space or shuttle) and not launch] will return documents with the word "space", the word "shuttle", or both words, but no documents with the word "launch". This is different than the search [space or shuttle and not launch] actually [space or (shuttle and not launch)].

  • Noise Words:   These are words skipped by the search engine.

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  • Prefix Wild Cards "*":  [launch*] returns documents with words with the prefix "launch", like "launch", "launches", and "launched".

  • Form Wild Cards "**":  [fly**] returns documents derived from the word "fly", like "fly", "flying", and "flew".

  • Free-Text Queries:  [$contents What time is the next space shuttle launch?] will pick out the nouns from the sentence and return documents containing those nouns.


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