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"
"its decolonization from" » "its decolonisation from", "its decolonization africa", "its decolonization across", "its colonization from", "_ decolonization from", "box decolonization from"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its decolonization from") OR ("mars decolonization notes"))) OR ("city cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"its decolonization from\") OR (\"mars decolonization notes\"))) OR (\"city cooperation history\"))*".
• Removing quotes may allow a broader search: (((( its decolonization from ) OR ( mars decolonization notes ))) OR ( city cooperation history ))*.