Perhaps you should try some spelling variations:
development concept » development concepts, development context, development conceptual
de communication » mobile communication, online communication
concept assessed » contexts assessed
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
3 development » 2 development
costs 3 » costs _, costs 4, costs a
3.2 v » 3.2 vi, 3.2 vr, 3.2 _
v de » v die, v der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information 3.2 v de communication costs 3 development concept assessed.*.