Perhaps you should try some spelling variations:
data communication » data communications
developing joint » developing coping, development joint, developing ict
technologie und » technologies 2.1
und information » fund information, road information, award information
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
4 developing » 3 developing
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 contents 2.1 data communication costs 4 developing joint africa.*.