Perhaps you should try some spelling variations:
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"_ decolonisation from" » "_ decolonization from", "_ decolonisation _", "_ decolonisation 1"
"anti colonization still" » "anti colonization failed", "anti colonization israel", "anti colonization songs", "its colonization still", "africa colonization still", "_ colonization still"

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: (((("_ decolonisation from") OR ("anti colonization still"))) OR ("et cooperation history"))~.
• Removing quotes may allow a broader search: (((( _ decolonisation from ) or ( anti colonization still ))) or ( et cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ decolonisation from") or ("anti colonization still"))) or ("et cooperation history"))*.