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