Perhaps you should try some spelling variations:
cooperation history » corporation history, federation history
communication iraq » communication iran, communication israel, communication italy
nets community » needs community, tents community, arts community
et cooperation » et cooperations, eu cooperation, 2 cooperation
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: (((( mass communication iraq ) or ( nets community issues ))) or ( et cooperation history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( mass communication iraq ) OR ( nets community issues ))) OR ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((( mass communication iraq ) or ( nets community issues ))) or ( et cooperation history ))*.