Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
information 2.2.2 » information 12.2.2, information 2.3.2, information 3.2.2
c's communication » lea's communication, class communication, mass communication
aids information » chandos information, series information
4 developing » 3 developing
developing a » developing _
2.2.2 a » 2.2.2 _, 2.2.2 das
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas
a c's » 3 c's, _ c's, a cas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 2.2.2 a c's communication costs 4 developing a areas.*.