Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
costs des » costs fees
4 areas » 1 areas, 2 areas, 4 areal
des de » des dem, des der, des des
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien als information costs des de communication cost 4 developing 4 areas.*.