Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
technologie und » technologies 2.1
und information » fund information, road information, award information
3.3 developing » 4 developing, 2 developing, 1 developing
content 3.2 » context 3.2, contract 3.2
3.2 mobile » 13.2 mobile, 2.2 mobile, 3.2.1 mobile
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologie und information content 3.2 mobile communications costs 3.3 developing _ africa.*.