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
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
contents help » contents head, contents map, contents how
developing 1 » developing _, developing a, developing e
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
help de » help me, help desk, help get

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 help de communication cost 12.4 developing 1 africa.*.