Perhaps you should try some spelling variations:
"jews colonization failed" » "jews colonization still", "jews organizations failed", "its colonization failed", "mars colonization failed", "re colonization failed"
"prone communication iraq" » "proper communication iraq", "project communication iraq", "process communication iraq", "prone communication iran", "prone communication israel", "prone communication italy"
"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: (((("mars cooperation scale") OR ("jews colonization failed"))) OR ("prone communication iraq"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mars cooperation scale\") OR (\"jews colonization failed\"))) OR (\"prone communication iraq\"))".
• Removing quotes may allow a broader search: (((( mars cooperation scale ) OR ( jews colonization failed ))) OR ( prone communication iraq )).
• Adding a wildcard symbol may retrieve word variants: (((("mars cooperation scale") OR ("jews colonization failed"))) OR ("prone communication iraq"))*.