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"
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"

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