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", "c's communication israel"
"class communication iraq" » "mass communication iraq", "plans communication iraq", "crisis communication iraq", "class communication iran", "class communication italy", "class communication ideas"
"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: (((("class communication iraq") or ("nets communication israel"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("class communication iraq") OR ("nets communication israel"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( class communication iraq ) or ( nets communication israel ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("class communication iraq") or ("nets communication israel"))) or ("et cooperation history"))*.