Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
des communication » les communications, nets communication, c's communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing a » developing _
costs des » costs fees
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
des des » des deas, des dem, des der
a areas » 1 areas, 2 areas, 4 areas

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 des communication costs 4.1 developing a areas.*.