Perhaps you should try some spelling variations:
"mass communication issues" » "mass communication india", "mass communication united", "mass communication italy", "maps communication issues"
"eu cooperation history" » "eu corporation history", "eu federation history", "et cooperation history", "2 cooperation history", "la cooperation history"
"its community issues" » "icts community issues", "city community issues", "arts community issues"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its community issues") OR ("mass communication issues"))) OR ("eu cooperation history"))~.
• Removing quotes may allow a broader search: (((( its community issues ) or ( mass communication issues ))) or ( eu cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("its community issues") or ("mass communication issues"))) or ("eu cooperation history"))*.