Perhaps you should try some spelling variations:
personal communication » interpersonal communication
1 transformation » 4 transformation, die transformation, der transformation
transformation a » transformation _
technologien 1 » technologies 1, technologien _, technologien 4
die personal » die personale, de personal, die persona
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 transformation a die personal communication costs 4 developing _ areal.*.