Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien od » technologien ad, technologien und, technologien _
2.3 development » 2 development, 2015 development, 1 development
od information » d information, nd information, road 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 od information costs de personal communication costs 2.3 development 1 access.*.