Perhaps you should try some spelling variations:
"class communication israel" » "class communication issues", "class communication iran", "class communication iraq", "mass communication israel", "plans communication israel", "crisis communication israel"
"les communication united" » "les telecommunication united", "les communications united", "lea's communication united", "nets communication united"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et 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 israel") or ("les communication united"))) or ("its cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("class communication israel") OR ("les communication united"))) OR ("its cooperation history")).
• Removing quotes may allow a broader search: (((( class communication israel ) or ( les communication united ))) or ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("class communication israel") or ("les communication united"))) or ("its cooperation history"))*.