Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information costs » information contents, information centers, information content
technologie und » technologies 2.1
und information » fund information, road information, award information
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
ii mobile » iii mobile, i mobile, ifc mobile
costs ii » costs iii, costs _, costs a
4 access » 2 access, 3 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: technologie und information costs ii mobile communications costs 4 developing 4 access.*.