Perhaps you should try some spelling variations:
"gene fragment capture analysis" » "gene fragment cultures analysis", "gene fragment chapter analysis", "gene argument capture analysis"
"line elements capture analysis" » "line elements chapter9 analysis", "line elements chapter5 analysis", "line elements chapter8 analysis", "core elements capture analysis", "machine elements capture analysis"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("gene fragment capture analysis") OR ("line elements capture analysis")).
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