Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
development 5.3 » development 5.1, development 5.4, development 5.5
5.3 access » 1.1 access, 3.1 access, 3.2 access
case npo » case neo, case new, case n
npo oral » new oral, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case npo oral communication costs _ development 5.3 access.*.