Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 1 » information 2, information 3, information 3.2
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
risk mobile » risk profile
2 access » 3 access
costs 4 » costs _, costs a, costs 4.2
1 risk » 10 risk, 3 risk, 4 risk

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 1 risk mobile communications costs 4 developing 2 access.*.