Perhaps you should try some spelling variations:
"_ colonization history" » "_ communication history", "_ organization history", "_ cooperation history", "_ decolonization history", "decolonization _ history"
"box decolonisation from" » "box decolonization from", "box decolonisation _", "box decolonisation 1", "_ decolonisation from", "4.4 decolonisation from"
"re federation history" » "re migration history", "_ federation history", "3 federation history", "5 federation 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: (((("box decolonisation from") OR ("_ colonization history"))) OR ("re federation history"))~.
• Removing quotes may allow a broader search: (((( box decolonisation from ) or ( _ colonization history ))) or ( re federation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("box decolonisation from") or ("_ colonization history"))) or ("re federation history"))*.