Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
informations tirer » informations anreiz, informations sur
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
developing areas » developing asia, developing east, developing a
4 developing » 3 developing
areas area » areas arenas, areas aida, areas africa
tirer en » tirer des, tires end, tirer de
en voice » new voice, one voice, non voice
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations tirer en voice communication costs 4 developing areas area.*.