Perhaps you should try some spelling variations:
als transformative » als transformativer, a transformative, das transformative
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
potential zone » potential eines, potential co2, potential die
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
zone oral » zone real
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 als transformative potential zone oral communication costs 4 developing 4 areas.*.