Perhaps you should try some spelling variations:
"german broadcasting comparisons" » "german broadcasting company", "german broadcasting corporation's", "german broadcasting corporation", "nigerian broadcasting comparisons", "demand broadcasting comparisons", "american broadcasting comparisons"
"aerial broadcasting companies" » "aerial broadcasting company", "aerial forecasting companies", "aerial broadcasting channel", "american broadcasting companies", "african broadcasting companies", "media broadcasting companies"

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: (("aerial broadcasting companies") OR ("german broadcasting comparisons")).
• Removing quotes may allow a broader search: (( aerial broadcasting companies ) or ( german broadcasting comparisons )).
• Adding a wildcard symbol may retrieve word variants: (("aerial broadcasting companies") or ("german broadcasting comparisons"))*.