Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
developing asian » developing asia, developing human, developing areas
information ab » information a, information aa, information age
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
asian areas » asian arab, aside areas, basin areas
und device » end device, und service, end devices

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

• Adding a wildcard symbol may retrieve word variants: technologien does information ab und device communication costs 4.2 developing asian areas.*.