Perhaps you should try some spelling variations:
transformation based » transformation case, transformation a, transformation als
oral communication » personal communication
de transformation » die transformation, e transformation, 1 transformation
developing basin » developing asia, developing asian, developing based
technologien de » technologien des, technologies de, technologie de
a developing » a development
basin areas » basin area, basic areas, base areas
new oral » new moral, knew moral, new rural
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien de transformation based new oral communication costs a developing basin areas.*.