Perhaps you should try some spelling variations:
personal communication » interpersonal communication
der transformation » die transformation, zur transformation, energy transformation
technologie der » technologie de, technologien des, technologies de
der personal » der personalen, der personen, der person
3 developing » 3 development
developing 1 » developing _, developing a, developing e
costs 3 » costs _, costs 4, costs a
1 area » 1 areas, 21 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologie der transformation _ der personal communication costs 3 developing 1 area.*.