Perhaps you should try some spelling variations:
"_ colonization history" » "_ communication history", "_ organization history", "_ civilization history", "_ decolonization history", "decolonization _ history"
"re decolonization from" » "re decolonisation from", "re decolonization africa", "re decolonization across", "_ decolonization from", "re colonization from", "box decolonization from"
"de cooperation history" » "de corporation history", "de federation history", "2 cooperation history", "trade cooperation history", "area cooperation history"

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

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