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
information 2 » information 3
dan personal » das personal, plan personal, der personal
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas
2 dan » 2 das, _ dan, 1 dan

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 dan personal communication costs 4 developing 2 areas.*.