Perhaps you should try some spelling variations:
"mass communication issues" » "mass community issues", "mass communication india", "mass communication united", "maps communication issues"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"c's communication iraq" » "c's communication iran", "c's communication israel", "c's communication italy", "lea's communication iraq", "class communication iraq", "les communications iraq"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("c's communication iraq") or ("mass communication issues"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("c's communication iraq") OR ("mass communication issues"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( c's communication iraq ) or ( mass communication issues ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("c's communication iraq") or ("mass communication issues"))) or ("et cooperation history"))*.