Perhaps you should try some spelling variations:
formulation after » formation after, formulation over, regulation after
den developpement » de developpement, en developpement, des developpements
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
des afrique » en afrique, de l'afrique
after wb » after wbl, after we, after wto
wb de » b de, w de

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation after wb de communication _ den developpement des afrique.*.