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
2.4 development » 2.3 development, 2.1 development, 2.2 development
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
case des » cases des, case das, phase des
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 2.4 development a areas.*.