Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
information data » information d820, information database, information databases
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
data touching » death touching, data tracking, data matching
touching 3.1 » teaching 3.1, touching 4.4, touching _
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology do information data touching 3.1 communication costs 4 developpement en afrique.*.