Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
technologien aids » technologien als, technologien ad, technologien des
information 4.3.2 » information 4.3.3, information 2.3.2, information 3.2
aids information » chandos information, series information
3 development » 2 development
3 access » 2 access
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 4.3.2 _ online communication costs 3 development 3 access.*.