Perhaps you should try some spelling variations:
"re decolonization notes" » "re decolonization models", "re decolonization case", "re decolonization indonesia", "re colonization notes", "box decolonization notes", "war decolonization notes"
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"
"_ decolonization 12.4" » "_ decolonization 1960", "_ decolonization _", "_ colonization 2.1", "decolonization _ 12.4"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"its colonization failed\") OR (((\"_ decolonization 12.4\") OR (\"re decolonization notes\"))))~".
• Removing quotes may allow a broader search: (( its colonization failed ) OR ((( _ decolonization 12.4 ) OR ( re decolonization notes ))))~.
• Adding a wildcard symbol may retrieve word variants: (("its colonization failed") OR ((("_ decolonization 12.4") OR ("re decolonization notes"))))*.