Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
de communications » de communication, do communications, mce communications
aids information » chandos information, series information
information case » information based, information can, information costs
3 developing » 3 development
developing a » developing _
case des » cases des, case das, phase des
costs 3 » costs _, costs 4, costs a
a areas » 1 areas, 2 areas, 4 areas
des de » des dem, des der, des des

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

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