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
du developpement » de developpement, le developpement, et 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 du » a d, a de, a u

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 du developpement en afrique.*.