Perhaps you should try some spelling variations:
speed communications » based communication, cell communications, guinea communications
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4 developing » 3 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
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 des information contents _ speed communications costs 4 developing a africa.*.