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"
"area cooperation history" » "area corporation history", "area federation history", "asian cooperation history", "border cooperation history", "china cooperation history"
"its community issues" » "icts community issues", "city community issues", "arts community issues"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its community issues") or ("class communication israel"))) or ("area cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its community issues") OR ("class communication israel"))) OR ("area cooperation history")).
• Removing quotes may allow a broader search: (((( its community issues ) or ( class communication israel ))) or ( area cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("its community issues") or ("class communication israel"))) or ("area cooperation history"))*.