Perhaps you should try some spelling variations:
model communication » modern communication, moral communication, modeling communication
transport networks » transport network, transportation networks
technologien de » technologien des, technologies de, technologie de
networks credit » works credit, networks creating, networks current
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
de transport » sea transport, free transport, bus transport
credit model » credit models, credit modern, credit money
costs 2.4 » costs 12.4, costs 23.4, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien de transport networks credit model communication costs 2.4 developing _ areas.*.