Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
information 2 » information 3
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 2 die de communication costs 4 developing _ area.*.