Perhaps you should try some spelling variations:
models communication » modern communication, modeling communication, modern communications
technologien den » technologien des, technologies de, technologie de
network credit » network media, network creation
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
den transport » de transport, sea transport, ion transport
credit models » credit model, credit modern, credit levels
developing a » developing _
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
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 den transport network credit models communication costs 4.3 developing a areas.*.