Perhaps you should try some spelling variations:
"its colonization history" » "its communication history", "its organization history", "its cooperation history", "anti colonization history", "jews colonization history", "mars colonization history"
"re decolonization from" » "re decolonisation from", "re decolonization africa", "re decolonization across", "_ decolonization from", "re colonization from", "box decolonization from"
"_ communication iraq" » "_ communication iran", "_ communication israel", "_ communication italy"

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