Perhaps you should try some spelling variations:
due developpement » de developpement, du developpement, le developpement
developpement la » developpement de, developpement et, developpement du
technologies a » technologies _, technologies 4, technologies 2
formulation do » formulation de, formulation du, formulation des
a formulation » la formulation, _ formulation, 3 formulation
systems due » system due, systems die, systems deep
la afrique » l afrique, la fabrique, en afrique
do does » do dogs, der does, who does

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation do does _ communication systems due developpement la afrique.*.