Perhaps you should try some spelling variations:
colonization history » communication history, organization history, civilization history
cooperation history » corporation history, federation history
its colonization » anti colonization, jews colonization, mars colonization
its cooperation » city cooperation, et cooperation, its corporation

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 history ) or ( its cooperation history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( its colonization history ) OR ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (( its colonization history ) or ( its cooperation history ))*.