Perhaps you should try some spelling variations:
"pro communication israel" » "pro communication issues", "pro communication iran", "pro communication iraq", "prone communication israel", "ngo communication israel", "proper communication israel"
"jews cooperation history" » "jews corporation history", "jews federation history", "de cooperation history", "et cooperation history", "eu cooperation history"
"mars cooperation scale" » "mars cooperation case", "mars cooperation state", "mars cooperation sara", "early cooperation scale", "area cooperation scale", "arab cooperation scale"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("pro communication israel") OR ((("mars cooperation scale") OR ("jews cooperation history"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pro communication israel\") OR (((\"mars cooperation scale\") OR (\"jews cooperation history\"))))*".
• Removing quotes may allow a broader search: (( pro communication israel ) OR ((( mars cooperation scale ) OR ( jews cooperation history ))))*.