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"
"mars colonization israel" » "mars colonization still", "mars colonization history", "mars decolonization islam", "mrsa colonization israel", "its colonization israel", "jews colonization israel"
"city cooperation still" » "city cooperation scale", "city cooperation state", "city cooperation studies", "city corporation still", "china cooperation still", "city corporations still"

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