Perhaps you should try some spelling variations:
formulation solution » simulation solution, formation evolution, formulation cohesion
13 communication » 3 communication, 1 communication, 10 communication
4 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
solution six » solution i, solution iv, solution film
des afrique » en afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2
six 13 » six 23

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation solution six 13 communication costs 4 developpement des afrique.*.