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