Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
costs npo » costs net
npo oral » new oral, who oral
a access » 2 access, 3 access, 4 access

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

• Adding a wildcard symbol may retrieve word variants: technologien des information costs npo oral communication costs _ development a access.*.