Perhaps you should try some spelling variations:
communication between » communication networks
des developpement » des developpements, de developpement, le developpement
formulation des » formation des, formulacion de, formulation _
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
between des » between de, between modes, between nodes
des afrique » en afrique, de l'afrique
des dunes » de dunes, les dunes, des douanes

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation des dunes _ communication between des developpement des afrique.*.