Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
information banks » information bank, information thanks, information based
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
developing a » developing _
banks aid » banks amid, bank aid, banks asia
aid voice » a voice, und voice
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
a set » _ set

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

• Adding a wildcard symbol may retrieve word variants: technologien als information banks aid voice communications costs 4.3 developing a set.*.