Perhaps you should try some spelling variations:
personal communication » interpersonal communication
fur transformational » fur transformation, work transformational, _ transformational
transformational use » transformational role, transformational _, transformational key
technologien fur » technologien des, technologien und, technologies 2
3 development » 2 development
development 2 » development 1, development 2.1, development 2.3
c personal » a personal, 1 personal, 4 personal
costs 3 » costs _, costs 4, costs a
2 areas » 1 areas, 2 areal, 4 areas
use c » use cu, use _, use a

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

• Adding a wildcard symbol may retrieve word variants: technologien fur transformational use c personal communication costs 3 development 2 areas.*.