Perhaps you should try some spelling variations:
"war decolonization africa" » "war democratization africa", "box decolonization africa", "1945 decolonization africa", "_ decolonisation africa"
"_ decolonization israel" » "_ colonization israel", "_ decolonization islam", "_ decolonization across", "decolonization _ israel"
"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: (((("war decolonization africa") OR ("_ decolonization israel"))) OR ("re cooperation history"))~.
• Removing quotes may allow a broader search: (((( war decolonization africa ) or ( _ decolonization israel ))) or ( re cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("war decolonization africa") or ("_ decolonization israel"))) or ("re cooperation history"))*.