Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
technologien air » technologien fur, technologien als, technologien am
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
network 3 » network _
3 modern » 37 modern, _ modern, a modern
costs 4 » costs _, costs a, costs 4.2
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien air transport network 3 modern communication costs 4 developing 4 areas.*.