Perhaps you should try some spelling variations:
"c's communication israel" » "c's communication issues", "c's communication iran", "c's communication iraq", "lea's communication israel", "class communication israel", "mass communication israel"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"jews colonization songs" » "jews colonization still", "jews colonization work", "jews decolonization notes", "its colonization songs", "mars colonization songs", "re colonization songs"

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