Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
technologien als » technologien des, technologien fur, technologien und
developing basin » developing asia, developing asian, developing based
als information » als informations, aids information, laws information
information 3 » information 2
basin areas » basin area, basic areas, base areas
und voice » one voice
3 und » 13 und, 23 und, _ und

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 3 und voice communications costs _ developing basin areas.*.