Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
wie communications » wave communications, mce communications, voice communications
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information und » informations und
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing a » developing _
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
der wie » oder wie, der wille, aber wie
a areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information und der wie communications costs 7.3 developing a areal.*.