Perhaps you should try some spelling variations:
oral communication » personal communication
technologien tax » technologien am, technologien ad, technologien des
information case » information based, information can, information costs
tax information » 2 information, 1 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 neo » case new, case npo, case n
neo 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 tax information case neo oral communication costs _ development 5.3 access.*.