Perhaps you should try some spelling variations:
communication between » communication networks
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
4 communication » 3 communication, 5.4 communication, de communication
technologies 3 » technologies _, technologies 4, technologies 2
3 formulation » _ formulation, _ formulating
between des » between de, between modes, between nodes
la afrique » l afrique, la fabrique, en afrique
does 4 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 formulation _ does 4 communication between des developpement la afrique.*.