Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
information cases » information case, information classes, information costs
do communications » 10 communications, 14 communications, 2 communications
aids information » chandos information, series information
3 developing » 3 development
developing a » developing _
costs 3 » costs _, costs 4, costs a
a areas » 1 areas, 2 areas, 4 areas
des do » des don, des dr

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information cases des do communications costs 3 developing a areas.*.