Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
costs des » costs fees
cost 3.2 » cost 2.4
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologien des information costs des de communication cost 3.2 developing _ areas.*.