Perhaps you should try some spelling variations:
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"_ colonization still" » "_ colonization failed", "_ colonization israel", "_ colonization songs", "_ decolonization still", "decolonization _ still"
"open communication iraq" » "human communication iraq", "3 communication iraq", "4 communication iraq", "open communication iran", "open communication israel", "open communication italy"

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

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