Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
developing east » development east, developing a, developing asia
information 2 » information 3
3 developing » 3 development
does mobile » das mobile
east areas » karst areas, east asezs
costs 3 » costs _, costs 4, costs a
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: technologie der information 2 does mobile communications costs 3 developing east areas.*.