Perhaps you should try some spelling variations:
"re decolonization across" » "re decolonization africa", "re decolonization case", "re decolonization from", "re colonization across", "box decolonization across", "war decolonization across"
"_ decolonization islam" » "_ decolonization from", "_ decolonization _", "_ colonization israel", "decolonization _ islam"
"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.

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