Perhaps you should try some spelling variations:
"_ democratization africa" » "_ democratization china", "_ democratization mexico", "_ decolonization africa"
"re colonization failed" » "re colonization still", "re organizations failed", "pro colonization failed", "_ colonization failed", "jews colonization failed"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ democratization africa") OR ("re colonization failed"))) OR ("its cooperation history"))~.
• Removing quotes may allow a broader search: (((( _ democratization africa ) or ( re colonization failed ))) or ( its cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ democratization africa") or ("re colonization failed"))) or ("its cooperation history"))*.