Perhaps you should try some spelling variations:
"mass media -- political relations -- united states" » "mass media -- political questions -- united states", "maps media -- political relations -- united states"
"mass media -- politics prospects -- united states" » "mass media -- policy prospects -- united states", "mass media -- politics aspects -- united states", "mass media -- politics prosecute -- united states", "maps media -- politics prospects -- united states"
"mass media -- political aspect -- united states" » "maps media -- political aspect -- united states"
"mass media -- political aspects -- united states" » "maps media -- political aspects -- united states"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("mass media -- political relations -- united states") or ("mass media -- politics prospects -- united states"))) or ("mass media -- political aspect -- united states"))) or ("mass media -- political aspects -- united states"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("mass media -- political relations -- united states") OR ("mass media -- politics prospects -- united states"))) OR ("mass media -- political aspect -- united states"))) OR ("mass media -- political aspects -- united states")).
• Removing quotes may allow a broader search: (((((( mass media -- political relations -- united states ) or ( mass media -- politics prospects -- united states ))) or ( mass media -- political aspect -- united states ))) or ( mass media -- political aspects -- united states )).
• Adding a wildcard symbol may retrieve word variants: (((((("mass media -- political relations -- united states") or ("mass media -- politics prospects -- united states"))) or ("mass media -- political aspect -- united states"))) or ("mass media -- political aspects -- united states"))*.