Perhaps you should try some spelling variations:
"_ decolonization failed" » "_ colonization failed", "_ decolonization case", "_ decolonization africa", "decolonization _ failed"
"box decolonization islam" » "box decolonization from", "box decolonization _", "box colonization israel", "war decolonization islam", "1945 decolonization islam", "_ decolonisation islam"
"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.

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