Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
information data » information d820, information database, information databases
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
data dfg » data do, das dfg, data den

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information data dfg 5.4 communication _ de developpement en afrique.*.