Perhaps you should try some spelling variations:
formulation where » formulation over, formulation des, calculation where
et developpement » de developpement, le developpement, test development
communication 3 » communication _, communication a
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
des afrique » en afrique, de l'afrique
where does » where do
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formulation where does _ communication 3 et developpement des afrique.*.