Perhaps you should try some spelling variations:
die developpement » de developpement, le developpement, du developpement
formulation over » formation over, formulation model, formulation where
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation over _ 3 communication a die developpement de l'afrique.*.