Perhaps you should try some spelling variations:
"re decolonization across" » "re decolonization africa", "re decolonization case", "re decolonization from", "_ decolonization across", "box decolonization across", "war decolonization across"
"re colonization history" » "re communication history", "re organization history", "re cooperation history", "pro colonization history", "_ colonization history", "jews colonization history"
"une communication sector" » "une telecommunication sector", "une telecommunications sector", "une communication series", "d'une communication sector", "ante communication sector", "de communication sector"

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 ("re colonization history"))) OR ("une communication sector"))~.
• Removing quotes may allow a broader search: (((( re decolonization across ) or ( re colonization history ))) or ( une communication sector ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re decolonization across") or ("re colonization history"))) or ("une communication sector"))*.