Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
information data » information d820, information database, information databases
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
data daten » data latent, data data, data rates
daten 3.2 » daten 3.3, daten 3.4, daten 7.2
a do » a dot, _ do, a d

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information data daten 3.2 communication a do developpement en afrique.*.