Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
information data » information d820, information database, information databases
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
technologies 1 » technologies _, technologies 4, technologies 2
data daten » data latent, data data, data rates
la afrique » l afrique, la fabrique, en afrique
daten 6.2 » daten 7.2, date 6.2, daten 2.2

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 6.2 communication _ du developpement la afrique.*.