Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien nd » technologien und, technologien ad, technologie und
2.3 development » 2 development, 2015 development, 1 development
nd information » und information, d information, od information
de personal » der personal, des personal, de persona
costs 2.3 » costs 4.2, costs 4.4
costs de » costs _, costs 4, costs a
1 access » 10 access, 12 access, 14 access

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information costs de personal communication costs 2.3 development 1 access.*.