Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
ch communication » csr communication, de communication, 3 communication
als information » als informations, aids information, laws information
information 3 » information 2
4 developing » 3 developing
states areas » states bureau, states thread, studies areas
state ch » state c, state can, state csr
3 state » 2 state
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 als information 3 state ch communication costs 4 developing states areas.*.