Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
a developing » a development
developing e » developing _, developing a, developing east
de personal » der personal, des personal, de persona
costs de » costs _, costs 4, costs 5
e access » 2 access, 3 access, 4 access
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien am information costs de personal communication costs a developing e access.*.