Perhaps you should try some spelling variations:
"1945 decolonization africa" » "1945 democratization africa", "_ decolonization africa", "4.4 decolonisation africa", "box decolonization africa"
"re cooperation history" » "re corporation history", "re federation history", "de cooperation history", "area cooperation history", "rate cooperation history"
"_ 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: (((("1945 decolonization africa") OR ("_ communication iraq"))) OR ("re cooperation history"))~.
• Removing quotes may allow a broader search: (((( 1945 decolonization africa ) or ( _ communication iraq ))) or ( re cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("1945 decolonization africa") or ("_ communication iraq"))) or ("re cooperation history"))*.