Perhaps you should try some spelling variations:
"box decolonization africa" » "box democratization africa", "_ decolonization africa", "war decolonization africa", "1945 decolonization africa"
"_ communication israel" » "_ communication issues", "_ communication iran", "_ communication iraq"
"re cooperation history" » "re corporation history", "re federation history", "de cooperation history", "area cooperation history", "rate cooperation history"

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: (((("box decolonization africa") OR ("_ communication israel"))) OR ("re cooperation history"))~.
• Removing quotes may allow a broader search: (((( box decolonization africa ) or ( _ communication israel ))) or ( re cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("box decolonization africa") or ("_ communication israel"))) or ("re cooperation history"))*.