Perhaps you should try some spelling variations:
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"
"its cooperation studies" » "its cooperation series", "its cooperation sources", "its cooperation implies", "city cooperation studies", "et cooperation studies", "its corporation studies"
"2 cooperation history" » "2 corporation history", "2 federation history", "gulf cooperation history", "area cooperation history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its colonization failed") or ("its cooperation studies"))) or ("2 cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its colonization failed") OR ("its cooperation studies"))) OR ("2 cooperation history"))*.
• Removing quotes may allow a broader search: (((( its colonization failed ) or ( its cooperation studies ))) or ( 2 cooperation history ))*.