Perhaps you should try some spelling variations:
set developpement » et developpement, de developpement, le developpement
12 communication » 1 communication, 10 communication, 13 communication
developpement de » developpement des, developpement durable
formulation des » formation des, formulacion de, formulation _
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
de afrique » de l'afrique, en afrique, l afrique
des how » des hofs, eyes how, iles how
how 12 » how 15

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formulation des how 12 communication _ set developpement de afrique.*.