Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information banken » information bank, information banks, information based
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing a » developing _
banken die » franken die, bank die, banken den
die mobile » does mobile, das mobile, day mobile
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien does information banken die mobile communications costs 4.2 developing a areas.*.