Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
information 1 » information 2, information 3, information 3.2
a developing » a development
developing a » developing _
costs a » costs _, costs 4
a areal » _ areal, 2 areal, 4 areal
und de » und der, und des, und den
1 und » _ und, i und, 2 und

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1 und de communication costs a developing a areal.*.