Perhaps you should try some spelling variations:
"contemporary tourism africa policy series." » "contemporary tourist africa policy series.", "contemporary irish africa policy series.", "contemporary topics africa policy series.", "contemporary tourism asia policy series.", "contemporary tourism africa policies series."
"contemporary north area poverty series." » "contemporary nordic area poverty series.", "contemporary art area poverty series.", "contemporary core area poverty series.", "contemporary north area poverty severity.", "contemporary north armenia poverty series.", "contemporary north lanka poverty series.", "contemporary north a poverty series.", "contemporary north korea poverty series.", "contemporary north sea poverty series.", "contemporary north mara poverty series."

Try widening your search to All Fields.

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