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