Perhaps you should try some spelling variations:
choice communication » voice communication, change communication, voice communications
des transformation » des transformations, der transformation, de transformation
technologien des » technologien fur, technologien und, technologies 2
transformation a » transformation _
route choice » mode choice
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
a route » _ route, en route
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 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 des transformation a route choice communication costs 4 developing 1 areas.*.