Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
ddr communication » de communication, csr communication, under communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
costs der » costs differ
costs 4.4 » costs 4.2

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 der ddr communication costs 4.4 developing _ areas.*.