Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
developpements de » developpement de, developpement des, developpement du
3 communications » 3 communication, 2 communications, 4 communications
communications a » communications _, communications law, communications media
technologies en » technologies e, technologies et, technologies can
en formation » de formation, 1 formation, self formation
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies en formation _ data 3 communications a deux developpements de afrique.*.