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 cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"

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 israel") OR ("nets communication issues"))) OR ("et cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"its communication israel\") OR (\"nets communication issues\"))) OR (\"et cooperation history\"))*".
• Removing quotes may allow a broader search: (((( its communication israel ) OR ( nets communication issues ))) OR ( et cooperation history ))*.