Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
information cause » information case, information use, information classes
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4 developing » 3 developing
de actors » de actor, key actors, new actors
cause de » causes de, cause _, cause a
costs 4 » costs _, costs a, 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 des information cause de actors communication costs 4 developing _ access.*.