Perhaps you should try some spelling variations:
"lea's communication israel" » "lea's communication issues", "lea's communication iran", "lea's telecommunication israel", "mass communication israel", "crisis communication israel", "leadership communication israel"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"its communication iraq" » "its communication iran", "its communication italy", "its communication ideas", "nets communication iraq", "c's communication iraq", "mass communication iraq"

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