Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements de » developpement de, developpement des, developpement du
ec communication » de communication, 3 communication, 4 communication
technologies 2 » technologies _, technologies 4
services 3.1 » services 3.3, services 4
de afrique » de l'afrique, en afrique, l afrique
3.1 ec » 3.1 ecg, 3.1 eco, 3.1 el

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information services 3.1 ec communication _ des developpements de afrique.*.