Perhaps you should try some spelling variations:
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information 2 » information 3
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas
dm 3 » dem 3, drm 3, edm 3

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

• If you are trying to use Boolean operators, they must be ALL CAPS: technologien des information 2 ((dm 3) OR (dem _)) communication costs 4 developing a areas.~.
• Adding a wildcard symbol may retrieve word variants: technologien des information 2 ((dm 3) or (dem _)) communication costs 4 developing a areas.*.