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

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

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