Perhaps you should try some spelling variations:
radio communication » crisis communication, data communication
fail development » rail development, rail developments, oil development
technologies 2 » technologies _, technologies 4
efforts fail » effort faible, efforts acd, efforts amid
africa der » africa deep, africa deja, africa does
das radio » deals radio, desi radio, a radio

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information _ das radio communication efforts fail development africa der.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information _ das radio communication efforts fail development africa der.*.