Perhaps you should try some spelling variations:
"south amrica cooperation." » "south america cooperation.", "south african cooperation.", "south china cooperation.", "south arica cooperation.", "south american cooperation."
"north africa cooperation." » "north african cooperation.", "north america cooperation.", "north china cooperation."
"south africa cooperation." » "south african cooperation.", "south america cooperation.", "south china cooperation."
"south asia cooperation." » "south asean cooperation.", "south china cooperation.", "south legal cooperation."
"south area cooperation." » "south _ cooperation.", "south korea cooperation.", "south arica cooperation.", "south korean 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 area cooperation."))) or ((((("south amrica cooperation.") or ("south asian cooperation."))) or ((("north africa cooperation.") or ("south africa cooperation."))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("south asia cooperation.") OR ("south area cooperation."))) OR ((((("south amrica cooperation.") OR ("south asian cooperation."))) OR ((("north africa cooperation.") OR ("south africa cooperation.")))))).
• Removing quotes may allow a broader search: (((( south asia cooperation. ) or ( south area cooperation. ))) or ((((( south amrica cooperation. ) or ( south asian cooperation. ))) or ((( north africa cooperation. ) or ( south africa cooperation. )))))).
• Adding a wildcard symbol may retrieve word variants: (((("south asia cooperation.") or ("south area cooperation."))) or ((((("south amrica cooperation.") or ("south asian cooperation."))) or ((("north africa cooperation.") or ("south africa cooperation."))))))*.