Perhaps you should try some spelling variations:
"american broadcasting http" » "african broadcasting http", "aerial broadcasting http", "media broadcasting http", "american broadcasting _", "american broadcasting fast"
"german broadcasting corp" » "nigerian broadcasting corp", "demand broadcasting corp", "aerial broadcasting corp", "german broadcasting how", "german broadcasting _", "german broadcasting fast"

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