Perhaps you should try some spelling variations:
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
development 2.3 » development 2.1, development 1
4 development » 2 development, 4 developing
preface neo » preface new, preface one, preface de
2.3 access » 5.3 access, 1.3 access, 2.4 access
neo oral » new oral, who oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information preface neo oral communication costs 4 development 2.3 access.*.