Perhaps you should try some spelling variations:
oral communication » personal communication
de transformation » die transformation, e transformation, 1 transformation
transformation a » transformation _
technologien de » technologien des, technologies de, technologie de
developing asia » development asia, developing a
3 developing » 3 development
der oral » der moral, der ort, der orte
costs 3 » costs _, costs 4, costs a
a der » _ der, 2 der, 3 der
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien de transformation a der oral communication costs 3 developing asia areal.*.