Perhaps you should try some spelling variations:
"nets communication issues" » "nets community issues", "nets communication india", "nets communication united", "lea's communication issues", "c's communication issues", "les communications issues"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"mass communication iran" » "mass communication iraq", "mass communication ireland", "mass communication brands", "maps communication iran"

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