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 colonization history" » "jews communication history", "jews organization history", "jews cooperation history", "its colonization history", "mars colonization history", "re colonization 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 colonization history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re decolonization africa") OR ("_ communication israel"))) OR ("jews colonization history"))*.
• Removing quotes may allow a broader search: (((( re decolonization africa ) or ( _ communication israel ))) or ( jews colonization history ))*.