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"
"de cooperation still" » "de cooperation scale", "de cooperation state", "de cooperation studies", "2 cooperation still", "trade cooperation still", "area cooperation still"

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 ("de cooperation still"))) OR ("its cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"its colonization still\") OR (\"de cooperation still\"))) OR (\"its cooperation history\"))".
• Removing quotes may allow a broader search: (((( its colonization still ) OR ( de cooperation still ))) OR ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("its colonization still") OR ("de cooperation still"))) OR ("its cooperation history"))*.