Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
roles personal » roles persons, names personal, loans personal
information 1 » information 2, information 3, information 3.2
4 developing » 3 developing
developing a » developing _
1 roles » 10 roles, 13 roles, _ roles
costs 4 » costs _, costs a, costs 4.2
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 des information 1 roles personal communication costs 4 developing a areas.*.