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
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
3.2 a » 3.2 _, 2.2 a
a de » a die, a der, a des

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

• If you are trying to use Boolean operators, they must be ALL CAPS: technologien aids information 3.2 a de communication costs 4 developing a (asezs. OR aezs.)~.
• Adding a wildcard symbol may retrieve word variants: technologien aids information 3.2 a de communication costs 4 developing a (asezs. or aezs.)*.