Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
technologien den » technologien des, technologies de, technologie de
den transport » de transport, sea transport, ion transport
14 developing » 4 developing, 1 developing, 10 developing
network ac » network a, network acls, network anp
ac modern » a modern, can modern, art modern
costs 14 » costs 4, costs 1, costs 11.4

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 ac modern communication costs 14 developing _ areas.*.