Perhaps you should try some spelling variations:
"re decolonization africa" » "re democratization africa", "_ decolonization africa", "re colonization africa", "box decolonization africa"
"_ communication israel" » "_ communication issues", "_ communication iran", "_ communication iraq"
"jews cooperation history" » "jews corporation history", "jews federation history", "de cooperation history", "et cooperation history", "eu cooperation history"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("re decolonization africa") or ("_ communication israel"))) or ("jews cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re decolonization africa") OR ("_ communication israel"))) OR ("jews cooperation history"))*.
• Removing quotes may allow a broader search: (((( re decolonization africa ) or ( _ communication israel ))) or ( jews cooperation history ))*.