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"
"its colonization history" » "its communication history", "its organization history", "its cooperation history", "anti colonization history", "jews colonization history", "mars colonization 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: (((("re decolonization across") OR ("_ decolonization islam"))) OR ("its colonization history"))~.
• Removing quotes may allow a broader search: (((( re decolonization across ) or ( _ decolonization islam ))) or ( its colonization history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re decolonization across") or ("_ decolonization islam"))) or ("its colonization history"))*.