Perhaps you should try some spelling variations:
communication mobile » communication module, kommunikation mobile, communication model
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
technologies 2 » technologies _, technologies 4
mobile der » mobile eu, mobile dis, mobile new
4.2 die » 2.2 die
die 3 » die _, die 4, die e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 4.2 die 3 communication mobile der developpement en afrique.*.