Perhaps you should try some spelling variations:
information classes » information assets, information case, information cause
ddr communication » de communication, csr communication, under communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
classes der » classes de, classes were, classe de
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information classes der ddr communication costs 2.2 developing _ areas.*.