Perhaps you should try some spelling variations:
"scale geographic scoping paper 2/2011" » "scale geographic setting paper 2/2011", "scale geographic routing paper 2/2011", "trade geographic scoping paper 2/2011", "sakrale geographie scoping paper 2/2011", "_ paleogeographic scoping paper 2/2011", "scale geographic scoping phase 2/2011", "scale geographic scoping paper _/2011", "scale geographic scoping paper 1/2011", "scale geographic scoping paper v/2011"
"health geographic scope paper i/2011" » "health demographic scope paper i/2011", "earth georgraphic scope paper i/2011", "high geographic scope paper i/2011", "health geographic code paper i/2011", "health geographic scope chapter i/2011", "health geographic income paper i/2011", "health geographic scope paper _/2011"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("health geographic scope paper i/2011") OR ("scale geographic scoping paper 2/2011"))~.
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