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