Perhaps you should try some spelling variations:
"mass communication issues" » "mass community issues", "mass communication india", "mass communication united", "maps communication issues"
"anti colonization history" » "anti communication history", "anti organization history", "anti cooperation history", "its colonization history", "africa colonization history", "_ colonization history"
"_ decolonization notes" » "_ decolonization models", "_ decolonization case", "_ decolonization indonesia", "decolonization _ notes"

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: (((("mass communication issues") OR ("anti colonization history"))) OR ("_ decolonization notes"))~.
• Removing quotes may allow a broader search: (((( mass communication issues ) or ( anti colonization history ))) or ( _ decolonization notes ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mass communication issues") or ("anti colonization history"))) or ("_ decolonization notes"))*.