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

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