Perhaps you should try some spelling variations:
"_ decolonization history" » "_ colonization history", "_ decolonization islam", "_ decoration history", "decolonization _ history"
"une communication history" » "une telecommunication history", "une communication sector", "une communication theory", "d'une communication history", "ante communication history", "de communication history"
"re colonization failed" » "re colonization still", "re organizations failed", "pro colonization failed", "_ colonization failed", "jews colonization failed"

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: "((((\"re colonization failed\") OR (\"_ decolonization history\"))) OR (\"une communication history\"))~".
• Removing quotes may allow a broader search: (((( re colonization failed ) OR ( _ decolonization history ))) OR ( une communication history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re colonization failed") OR ("_ decolonization history"))) OR ("une communication history"))*.