Perhaps you should try some spelling variations:
"learning evidence in abdominal procedures" » "learning evidence in criminal procedures", "learning evidence in medical procedures", "learning evidence in abdominal pressure", "learning science in abdominal procedures"
"making evidence in criminal procedure" » "emerging evidence in criminal procedure"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("making evidence in criminal procedure") OR ("learning evidence in abdominal procedures")).
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