Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
developing east » development east, developing a, developing asia
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information b » information 2, information 1, information bank
one voice » one price, new voice
b one » _ one, a one, 3 one

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien und information b one voice communication costs 4.2 developing east (asezs. OR aezs.)~".
• Adding a wildcard symbol may retrieve word variants: technologien und information b one voice communication costs 4.2 developing east (asezs. OR aezs.)*.