Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
information data » information d820, information database, information databases
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
data daten » data latent, data data, data rates
daten 4.3 » daten 3.3, daten 2.3, daten 4.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information data daten 4.3 communication _ de developpement l afrique.*.