Perhaps you should try some spelling variations:
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"jews cooperation scale" » "jews cooperation case", "jews cooperation state", "jews cooperation sara", "de cooperation scale", "eu cooperation scale", "peer 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: (((("jews cooperation scale") or ("its colonization failed"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("jews cooperation scale") OR ("its colonization failed"))) OR ("et cooperation history"))*.
• Removing quotes may allow a broader search: (((( jews cooperation scale ) or ( its colonization failed ))) or ( et cooperation history ))*.