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