Perhaps you should try some spelling variations:
cooperation history » corporation history, federation history
communication iran » communication iraq, communication ireland, communication brands
nets communication » lea's communication, mass communication, c's communication
its communication » c's communication, mass communication, les communications
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 communication iran ) or ( nets communication iran ))) or ( its cooperation history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( its communication iran ) OR ( nets communication iran ))) OR ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((( its communication iran ) or ( nets communication iran ))) or ( its cooperation history ))*.