Perhaps you should try some spelling variations:
"pro decolonization _" » "pro colonization _", "_ decolonization _", "box decolonization _"
"nets communication iraq" » "lea's communication iraq", "mass communication iraq", "c's communication iraq", "nets communication iran", "nets communication israel", "nets communication italy"
"arab cooperation case" » "area cooperation case", "asian cooperation case", "la cooperation case", "arab cooperation _"

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: (("pro decolonization _") OR ((("arab cooperation case") OR ("nets communication iraq"))))~.
• Removing quotes may allow a broader search: (( pro decolonization _ ) or ((( arab cooperation case ) or ( nets communication iraq ))))~.
• Adding a wildcard symbol may retrieve word variants: (("pro decolonization _") or ((("arab cooperation case") or ("nets communication iraq"))))*.