Perhaps you should try some spelling variations:
cooperation history » corporation history, federation history
colonization songs » colonization still, colonization work, decolonization notes
communication iran » communication iraq, communication ireland, communication brands
pro communication » prone communication, ngo communication, proper communication
its colonization » anti colonization, jews colonization, mars colonization

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( _ cooperation history ) or ( its colonization songs ))) or ( pro communication iran ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( _ cooperation history ) OR ( its colonization songs ))) OR ( pro communication iran )).
• Adding a wildcard symbol may retrieve word variants: (((( _ cooperation history ) or ( its colonization songs ))) or ( pro communication iran ))*.