Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
data developpement » data development, de developpement, et developpement
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information law _ data communication network data developpement de afrique.*.