Perhaps you should try some spelling variations:
"south african cooperation." » "south asian cooperation.", "south america cooperation.", "south area cooperation.", "south africa cooperation.", "south africa's cooperation.", "north africa cooperation."
"south arica cooperation." » "south america cooperation.", "south area cooperation.", "south asian cooperation.", "south africa cooperation.", "south amrica cooperation."
"south asia cooperation." » "south asian cooperation.", "south asean cooperation.", "south area cooperation.", "south africa cooperation."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("south asia cooperation.") or ((("south arica cooperation.") OR ("south african cooperation."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("south asia cooperation.") OR ((("south arica cooperation.") OR ("south african cooperation.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"south asia cooperation.\") or (((\"south arica cooperation.\") OR (\"south african cooperation.\"))))".
• Removing quotes may allow a broader search: (( south asia cooperation. ) or ((( south arica cooperation. ) OR ( south african cooperation. )))).
• Adding a wildcard symbol may retrieve word variants: (("south asia cooperation.") or ((("south arica cooperation.") OR ("south african cooperation."))))*.