Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
aids information » chandos information, series information
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
based use » based user, based usage, based case
use open » die open
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information based use open communication costs 4 developing 2 areas.*.