Perhaps you should try some spelling variations:
"south african cooperation." » "south america cooperation.", "south asean cooperation.", "south arab cooperation.", "south africa's cooperation."
"north africa cooperation." » "north america cooperation.", "north china cooperation.", "north arab cooperation."
"south africa cooperation." » "south america cooperation.", "south china cooperation.", "south arab cooperation."
"south arica cooperation." » "south america cooperation.", "south china cooperation.", "south arab cooperation.", "south amrica cooperation.", "youth africa cooperation."
"south asia cooperation." » "south asean cooperation.", "south china cooperation.", "south legal cooperation."
"south area cooperation." » "south _ cooperation.", "south korea cooperation.", "south korean cooperation.", "south koreas 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 arica cooperation.") OR ("south african 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 arica cooperation.") OR ("south african cooperation."))) OR ("south asian cooperation."))) OR ((("north africa cooperation.") OR ("south africa cooperation.")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"south asia cooperation.\") or (\"south area cooperation.\"))) or (((((((\"south arica cooperation.\") OR (\"south african 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 arica cooperation. ) OR ( south african 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 arica cooperation.") OR ("south african cooperation."))) or ("south asian cooperation."))) or ((("north africa cooperation.") or ("south africa cooperation."))))))*.