Perhaps you should try some spelling variations:
"de communication theory" » "de communication technology", "mobile communication theory", "online communication theory"
"re decolonization case" » "re decolonization across", "re decolonization notes", "re decolonization _", "_ decolonization case", "re colonization case", "box decolonization case"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history", "_ decolonization israel", "decolonization _ israel"

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