Perhaps you should try some spelling variations:
oral communication » personal communication
information 2.4.1 » information 2.3.1, information 2.4.2, information 2.4.5
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
3 development » 2 development
development 2 » development 1, development 2.1, development 2.3
2.4.1 who » 2.3.1 who, 2.4.1 what, 10.4.1 who
who oral » who deal
2 access » 3 access
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 2.4.1 who oral communication costs 3 development 2 access.*.