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 channel", "american broadcasting companies", "african broadcasting companies", "german broadcasting companies"

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

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