Perhaps you should try some spelling variations:
"its cooperation implies" » "its cooperation series", "its cooperation studies", "its cooperation civility", "city cooperation implies", "et cooperation implies", "its corporation implies"
"mars colonization failed" » "mars colonization still", "mars organizations failed", "mrsa colonization failed", "its colonization failed", "jews colonization failed"
"pro colonization songs" » "pro colonization still", "pro colonization work", "pro decolonization notes", "bio colonization songs", "re colonization songs", "mrsa colonization songs"

Try widening your search to All Fields.

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 implies") or ("pro colonization songs"))) or ("mars colonization failed"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its cooperation implies") OR ("pro colonization songs"))) OR ("mars colonization failed")).
• Removing quotes may allow a broader search: (((( its cooperation implies ) or ( pro colonization songs ))) or ( mars colonization failed )).
• Adding a wildcard symbol may retrieve word variants: (((("its cooperation implies") or ("pro colonization songs"))) or ("mars colonization failed"))*.