Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
transformation case » transformation based, transformation a, transformation als
zur transformation » rural transformation, die transformation, energy transformation
technologien zur » technologien fur, technologien des, technologien und
developing a » developing _
de personal » der personal, des personal, de persona
case de » case des, case d, case d1
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien zur transformation case de personal communications costs _ developing a areas.*.