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
3.1 development » 2 development
nd information » und information, d information, od information
development 10 » developments 10, development 100, development 1
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
10 access » 1.1 access, 2 access, 3 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 _ personal communication costs 3.1 development 10 access.*.