Perhaps you should try some spelling variations:
information databases » information database, information table, information data
leur developpement » le developpement, deux developpements, de developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
databases des » databases web, databases lise, databases _
des 3.1 » pdes 3.1, ses 3.1, les 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologies a information databases des 3.1 communication a leur developpement en afrique.*.