Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien fur » technologien des, technologien und, technologies 2
de communication » mobile communication, online communication
fur information » zur information, fair information, your information
12 developing » 1.2 developing, 2 developing, 1 developing
developing iv » developing av, developing ict, developing cil
contents i » contents 1, contents _, contents list
iv africa » v africa, 1 africa, em africa
cost 12 » cost 1.2, cost 15, cost 3.2
i de » i die, i der, i den

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien fur information contents i de communication cost 12 developing iv africa.*.