Perhaps you should try some spelling variations:
"mass communication issues" » "mass community issues", "mass communication united", "mass communication italy", "maps communication issues"
"lea's communication india" » "crisis communication india", "leadership communication india", "lea's communication media", "lea's communications media"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"

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