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 iran" » "les communication iran", "les communications brand", "les communication iraq", "laos communications iran", "nps communications iran", "u.s communications iran"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mass communications media") or ("les communications iran"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mass communications media") OR ("les communications iran"))) OR ("city cooperation history"))*.
• Removing quotes may allow a broader search: (((( mass communications media ) or ( les communications iran ))) or ( city cooperation history ))*.