Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 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
technologies 1 » technologies _, technologies 4, technologies 2
data daten » data latent, data data, data rates
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 1 information data daten 3.3 communication a du developpement en afrique.*.