Perhaps you should try some spelling variations:
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your information
2.1 development » 3.1 development, 2.3 development, 2.2 development
development 2.1 » development 1
2.1 access » 1.1 access, 3.1 access, 5.1 access
costs 2.1 » costs 2.3, costs 4.1, costs 2.2
case ce » case c, case case
ce oral » ce moral, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case ce oral communication costs 2.1 development 2.1 access.*.