Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
2 communication » 3 communication, 4 communication, 1 communication
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
data 2 » data 1, data 2.2, data 2.3
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 2 communication a des developpements en afrique.*.