Perhaps you should try some spelling variations:
"mars decolonization notes" » "mars decolonization models", "mars decolonization case", "mars decolonization indonesia", "mars colonization notes", "war decolonization notes", "empire decolonization notes"
"china cooperation history" » "china corporation history", "china federation history", "asian cooperation history", "regional cooperation history"
"its colonization from" » "its decolonization from", "its decolonisation from", "its colonization french", "anti colonization from", "jews colonization from", "mars colonization from"

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: (((("its colonization from") OR ("mars decolonization notes"))) OR ("china cooperation history"))~.
• Removing quotes may allow a broader search: (((( its colonization from ) or ( mars decolonization notes ))) or ( china cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("its colonization from") or ("mars decolonization notes"))) or ("china cooperation history"))*.