Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien ids » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
ids information » aids information, dis information, mis information
3 developing » 3 development
developing 1 » developing _, developing a, developing e
fees de » fees re, redes de, deces de
1 areas » 1 area, 2 areas, 4 areas
cost 3 » cost 3d, cost e3, cost _

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information costs fees de communication cost 3 developing 1 areas.*.