Perhaps you should try some spelling variations:
formulation where » formulation over, formulation des, calculation where
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
where does » where do
de afrique » de l'afrique, en afrique, l afrique
1 des » 1 das, 1 der, a des

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 1 des developpement de afrique.*.