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

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 ("aerial broadcasting channel"))) OR ("aerial broadcasting comparisons")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"aerial broadcasting companies\") OR (\"aerial broadcasting channel\"))) or (\"aerial broadcasting comparisons\"))".
• Removing quotes may allow a broader search: (((( aerial broadcasting companies ) OR ( aerial broadcasting channel ))) or ( aerial broadcasting comparisons )).
• Adding a wildcard symbol may retrieve word variants: (((("aerial broadcasting companies") OR ("aerial broadcasting channel"))) or ("aerial broadcasting comparisons"))*.