Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
information a » information age, information about
der personal » der personalen, der personen, der person
3 developing » 3 development
developing 2 » developing _, developing a, developing e
costs 3 » costs _, costs 4, costs a
2 areas » 1 areas, 2 areal, 4 areas
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information a der personal communication costs 3 developing 2 areas.*.