Perhaps you should try some spelling variations:
informations anreiz » b informationsanreize, informations tirer
de communication » mobile communication, online communication
technologies 4 » technologies _
4 informations » 4 information, 2 informations, 3 informations
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
vie de » vie des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 informations anreiz vie de communication costs 4 developing _ areas.*.