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
developing basin » developing asia, developing asian, developing based
4 developing » 3 developing
basin areas » basin area, basic areas, base areas
costs 4 » costs _, costs a, costs 4.2
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien als transformative _ a oral communication costs 4 developing basin areas.*.