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
4 developing » 3 developing
developing 3 » developing _, developing a, developing e
3 access » 2 access
costs 4 » costs _, costs a, costs 4.2

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 4 developing 3 access.*.