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

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