Perhaps you should try some spelling variations:
"_ decolonization history" » "_ colonization history", "_ decoration history", "decolonization _ history"
"re decolonization islam" » "re decolonization from", "re decolonization _", "re colonization israel", "re colonization islam", "box decolonization islam", "war decolonization islam"
"une communication theory" » "une communication technology", "d'une communication theory", "ante communication theory", "de communication theory"

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