Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien im » technologie im, technologien am, technologien _
im information » crm information, stm information, 2 information
contents 12.1 » contexts 12.1, contents 1.1, contents 10.1
4 developing » 3 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
12.1 de » 12.1 die, 12.1 des, 2.1 de
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 im information contents 12.1 de communication costs 4 developing a africa.*.