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

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 ("mars colonization failed"))) OR ("its cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"its decolonization _\") OR (\"mars colonization failed\"))) OR (\"its cooperation history\"))".
• Removing quotes may allow a broader search: (((( its decolonization _ ) OR ( mars colonization failed ))) OR ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("its decolonization _") OR ("mars colonization failed"))) OR ("its cooperation history"))*.