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