Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
known personal » non personal, lohn personal, von personal
4 developing » 3 developing
developing e » developing _, developing a, developing east
case known » have known
e access » 2 access, 3 access, 4 access
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case known personal communication costs 4 developing e access.*.