Perhaps you should try some spelling variations:
modern communications » modern communication, modern communicators, border communications
communications costs » communication costs, communications _
technologien fur » technologien des, technologien und, technologies 2
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
fur transport » air transport, bus transport, car transport
network modes » network models, network model, network modules
modes modern » does modern, goes modern, modes modes
developing a » developing _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
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 fur transport network modes modern communications costs 4.1 developing a areas.*.