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