Perhaps you should try some spelling variations:
colonization history » communication history, organization history, cooperation history
colonization israel » communication israel, colonization still, decolonization islam
communication iraq » communication iran, communication israel, communication italy
its colonization » anti colonization, jews colonization, mars colonization
mass » maps

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