Perhaps you should try some spelling variations:
"its communication israel" » "its communication iran", "its communication iraq", "its telecommunication israel", "c's communication israel", "mass communication israel", "les communications israel"
"nets communication issues" » "nets community issues", "nets communication india", "nets communication united", "lea's communication issues", "mass communication issues", "c's communication issues"
"et cooperations history" » "et cooperation history", "et corporations history", "et operaciones history", "et cooperatives history", "eu cooperation history"

You may be able to get more results by adjusting your search query.

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