Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
information case » information based, information can, information costs
technologien d » technologien ad, technologien _, technologien 1
d information » nd information, od information, und information
4 developing » 3 developing
case den » case des, case d, case d1
den time » down time, open time, mean time
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 d information case den time communication costs 4 developing _ areas.*.