Perhaps you should try some spelling variations:
real communication » oral communication, cell communication, health communication
information 2.3.1 » information 2.3.2, information 5.3.1, information 2.3.3
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
technologies 2 » technologies _, technologies 4
developing a » developing _
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
2.3.1 der » 2.3.1 die
der real » der reale, oder real, der realen
a access » 2 access, 3 access, 4 access

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2.3.1 der real communication costs 12.4 developing a access.*.