Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
13 developing » 1.3 developing, 3 developing, 1 developing
contents how » content how, contents co, contents mot
developing a » developing _
a africa » 1 africa, can africa, em africa
cost 13 » cost 12, cost 15, cost e3
how de » how doe, how do, how ae

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 how de communication cost 13 developing a africa.*.