Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
der communication » de communication, under communication, debt communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
costs des » costs fees
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
des der » des dr, des ddr, des dem

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 der communication costs 7.3 developing _ areas.*.