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Using Symbols |
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Symbol |
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Example |
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Search Results |
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none |
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solar energy |
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Finds results that contain either or both of these words.
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quotes |
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"solar energy" |
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Finds results that contain this phrase.
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plus signs |
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+biomass +gasification |
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Finds results that contain both these words.
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minus sign |
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lighting -daylighting |
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Finds results that contain the word lighting but not the word daylighting.
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Other Techniques |
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Symbol |
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Example |
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Search Results |
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word variations |
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truck |
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Finds results that contain the words truck, trucks, trucking, trucked, etc.
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lower case words |
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wind |
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Finds results that contain the words wind, Wind, WIND, etc.
Use lower case to find words with and without capital letters.
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capital letters |
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WIND
Wind |
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Finds results that contain these capitalized words.
Use capital letters only if you want exact matches on words, for example, names of people, places, or organizations.
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title: |
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title:geothermal |
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Finds results that contain this word in the document title.
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title: and quotes |
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title:"fuel cells" |
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Finds results that contain this phrase in the document title.
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U.S. Department of Energy
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