Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien 2 » technologies 2, technologien _, technologien 1
information 2 » information 3
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
model de » model due, model d, model du
2 access » 3 access
2 model » 3.2 model, 4.2 model, 2.2 model
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 2 information 2 model de communication costs 4 developing 2 access.*.