Perhaps you should try some spelling variations:
communications between » communication between, communications network, communications networks
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technologies 4 » technologies _
formulation du » formulation de, formulation des, formulation _
4 formulation » _ formulation, 3 formulation, 2 formulation
between au » between a, between a3, between ae
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 4 formulation du does _ communications between au developpement de l'afrique.*.