Perhaps you should try some spelling variations:
paper communications » power communication, face communications, layer communication
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing use » developing e, developing ce, developing csi
a developing » a development
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 des information contents _ paper communications costs a developing use africa.*.