Perhaps you should try some spelling variations:
"re decolonisation from" » "re decolonization from", "re decolonisation _", "re decolonisation 1", "_ decolonisation from", "4.4 decolonisation from", "_ decolonization from"
"mars cooperation history" » "mars corporation history", "mars federation history", "early cooperation history", "area cooperation history", "arab cooperation history"
"_ colonization songs" » "_ colonization still", "_ colonization work", "_ decolonization notes", "_ decolonization songs", "decolonization _ songs"

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