Perhaps you should try some spelling variations:
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"its colonization still" » "its colonization failed", "its colonization israel", "its colonization songs", "anti colonization still", "jews colonization still", "mars colonization still"
"its operation state" » "its operations state", "its operation stage", "its cooperation state", "bus operation state", "its operating state", "its corporation state"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its colonization still") or ("its operation state"))) or ("its cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its colonization still") OR ("its operation state"))) OR ("its cooperation history"))*.
• Removing quotes may allow a broader search: (((( its colonization still ) or ( its operation state ))) or ( its cooperation history ))*.