Perhaps you should try some spelling variations:
"computers appied. in life science" » "computers applied. in life science", "computers aid. in life science", "computers appear. in life science", "computers appied. in life sciences"
"computer example. in file science" » "computer examples. in file science", "computed example. in file science", "computed examples. in file science", "computer example. in files science", "computer example. in bible science", "computer example. in die science"
"computer appl. in life science" » "computer appl. in life sciences", "computer app. in life science", "computer apps. in life science"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("computers appied. in life science") OR ("computer appl. in life science"))) OR ("computer example. in file science")).
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