Perhaps you should try some spelling variations:
developing concepts » development concepts, development concept, developing countries
concepts assessed » contexts assessed
de communication » mobile communication, online communication
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
3 developing » 3 development
costs 3 » costs _, costs 4, costs a
3.2 vf » 3.2 vi, 3.2 vr
vf de » v de, vi 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 vf de communication costs 3 developing concepts assessed.*.