Perhaps you should try some spelling variations:
communications between » communication between, communications network, communications networks
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technologies 2 » technologies _, technologies 4
formulation du » formulation de, formulation des, formulation _
2 formulation » _ formulation, 3 formulation, la formulation
between a » between _
du does » do does, der does, du deces

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation du does _ communications between a developpement de l'afrique.*.