Perhaps you should try some spelling variations:
"jews communication israel" » "jews communication issues", "jews communication iran", "jews communication iraq", "nets communication israel", "lea's communication israel", "mass communication israel"
"mars colonization failed" » "mars colonization still", "mars organizations failed", "mrsa colonization failed", "its colonization failed", "jews colonization failed"
"city cooperation studies" » "city cooperation series", "city cooperation sources", "city cooperation implies", "city corporation studies", "china cooperation studies", "city corporations studies"

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