Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
15 developing » 1 developing, 5 developing, 10 developing
developing 1 » developing _, developing a, developing e
cost 15 » cost 12, cost 5, cost 11.5
1 de » 1 die, 1 der, _ de
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents 1 de communication cost 15 developing 1 africa.*.