Perhaps you should try some spelling variations:
"area cooperation studies" » "area cooperation series", "area cooperation sources", "area cooperation implies", "asian cooperation studies", "border cooperation studies", "china cooperation studies"
"_ communication iran" » "_ communication iraq", "_ communication ireland", "_ communication brands"
"re colonization still" » "re colonization failed", "re colonization israel", "re colonization songs", "pro colonization still", "_ colonization still", "jews colonization still"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ communication iran") or ((("area cooperation studies") or ("re colonization still"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("_ communication iran") OR ((("area cooperation studies") OR ("re colonization still"))))*.
• Removing quotes may allow a broader search: (( _ communication iran ) or ((( area cooperation studies ) or ( re colonization still ))))*.