Perhaps you should try some spelling variations:
"contemporary north africa policy series." » "contemporary tourism africa policy series.", "contemporary north africa policies series."
"contemporary south africa country surveys." » "contemporary south africa country survey.", "contemporary south africa community surveys.", "contemporary south african countries surveys."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("contemporary north africa policy series.") or ("contemporary south africa country surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("contemporary north africa policy series.") OR ("contemporary south africa country surveys."))*.
• Removing quotes may allow a broader search: (( contemporary north africa policy series. ) or ( contemporary south africa country surveys. ))*.