Perhaps you should try some spelling variations:
communication sur » communication set, communication study, communication sarka
information ramp » information amp, information ratio, information risk
le developpement » de developpement, sme development
3 communication » 4 communication, de communication, data communication
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
ramp rate » frame rate, gap rate, pump rate
rate 3 » rate _, rate 4, rate a
sur le » sur les, sur la

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information ramp rate 3 communication sur le developpement des afrique.*.