Perhaps you should try some spelling variations:
personal communication » interpersonal communication
development 7.4 » development 7.1, development 7.5, development 7.2
technologien 2 » technologies 2, technologien _, technologien 1
contents 2 » contents 1, contents _, contents i
2 personal » 1 personal, 4 personal
7.4 access » 3.7.4 access, 1.1 access, 3.1 access
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information contents 2 personal communication costs a development 7.4 access.*.