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Using Symbols
Symbol Example Search results
none solar energy Finds results that contain either or both of these words.

quotes "solar energy" Finds results that contain this phrase.

plus signs +biomass +gasification Finds results that contain both these words.

minus sign lighting -daylighting Finds results that contain the word lighting but not the word daylighting.



Other Techniques
Technique Example Search results
word variations truck Finds results that contain the words truck, trucks, trucking, trucked, etc.

title: title:geothermal Finds results that contain this word in the document title.

title: and quotes title:"fuel cells" Finds results that contain this phrase in the document title.

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