Perhaps you should try some spelling variations:
"nets communication issues" » "nets community issues", "nets communication india", "nets communication united", "lea's communication issues", "mass communication issues", "c's communication issues"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"its communication iraq" » "its communication iran", "its communication israel", "its communication italy", "c's communication iraq", "mass 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: (((("its communication iraq") or ("nets communication issues"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its communication iraq") OR ("nets communication issues"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( its communication iraq ) or ( nets communication issues ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("its communication iraq") or ("nets communication issues"))) or ("et cooperation history"))*.