Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements l » developpements de, developpement il, developpement la
4 communication » 3 communication, 5.4 communication, de communication
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
l afrique » en afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation _ data 4 communication a des developpements l afrique.*.