Perhaps you should try some spelling variations:
"mass communications media" » "mass communication media", "mass communication india", "mass communications series", "data communications media", "crisis communications media"
"les communications iraq" » "les communication iraq", "les communication iran", "les communications brand", "laos communications iraq", "nps communications iraq", "u.s communications iraq"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"

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 communications media") OR ("les communications iraq"))) OR ("city cooperation history"))~.
• Removing quotes may allow a broader search: (((( mass communications media ) or ( les communications iraq ))) or ( city cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mass communications media") or ("les communications iraq"))) or ("city cooperation history"))*.