Perhaps you should try some spelling variations:
change information » chandos information, trade information
de communication » mobile communication, online communication
information und » informations und
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
und we » und wer, und web, und weg
we de » we do, fe de, me de
technological » technologies

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

• Adding a wildcard symbol may retrieve word variants: technological change information und we de communication costs 4 developing _ area.*.