Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
6.10 development » 2.10 development, 3.10 development, 6.1 development
technologien od » technologien ad, technologien und, technologien _
development 3.1 » development 1
od information » d information, nd information, road information
costs 6.10 » costs 4.10, costs 4.1, costs 6.4
3.1 access » 1.1 access, 3.2 access, 3.6 access
costs 4 » costs _, costs a, costs 4.2
4 oral » _ oral, 2 oral

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 4 oral communication costs 6.10 development 3.1 access.*.