Perhaps you should try some spelling variations:
transportation networks » transportation network
als transportation » mass transportation, bags transportation, gas transportation
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
networks via » networks a, networks visual, networks _
a developing » a development
developing 4 » developing _, developing a, developing e
via oral » via odal, via local, via modal
costs a » costs _, costs 4
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 als transportation networks via oral communication costs a developing 4 areas.*.