Perhaps you should try some spelling variations:
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"
"its decolonization _" » "_ decolonization _", "box decolonization _", "war decolonization _", "its colonization _"

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

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