Perhaps you should try some spelling variations:
"anti colonization history" » "anti communication history", "anti organization history", "anti civilization history", "its colonization history", "africa colonization history", "_ colonization history"
"_ decolonization still" » "_ colonization still", "_ decolonization africa", "_ decolonization models", "decolonization _ still"
"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: (((("anti colonization history") or ("_ decolonization still"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anti colonization history") OR ("_ decolonization still"))) OR ("city cooperation history")).
• Removing quotes may allow a broader search: (((( anti colonization history ) or ( _ decolonization still ))) or ( city cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("anti colonization history") or ("_ decolonization still"))) or ("city cooperation history"))*.