Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
formulation where » formulation over, formulation des, calculation where
developpement l » developpement il, developpement la, developpement de
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
l afrique » en afrique
where do » where _
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation where do _ communication a der developpement l afrique.*.