Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
a developing » a development
developing 2 » developing _, developing a, developing e
2 access » 3 access
costs n » costs _, costs 4, costs 5
costs a » costs _, costs 4
n oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information costs n oral communication costs a developing 2 access.*.