Perhaps you should try some spelling variations:
"pro communication theory" » "pro communication technology", "prone communication theory", "ngo communication theory", "proper communication theory"
"_ decolonization notes" » "_ decolonization models", "_ decolonization case", "_ decolonization indonesia"
"its colonization still" » "its colonization failed", "its colonization israel", "its colonization songs", "anti colonization still", "jews colonization still", "mars colonization still"

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: (("_ decolonization notes") OR ((("its colonization still") OR ("pro communication theory"))))~.
• Removing quotes may allow a broader search: (( _ decolonization notes ) or ((( its colonization still ) or ( pro communication theory ))))~.
• Adding a wildcard symbol may retrieve word variants: (("_ decolonization notes") or ((("its colonization still") or ("pro communication theory"))))*.