Perhaps you should try some spelling variations:
roads developpement » roads development, road development, de developpement
later communication » layer communication, water communication, master communication
developpement en » developpement et, developpement des, developpement de
communication 5 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
years later » years after
5 years » 50 years, 15 years, 25 years
5 roads » _ roads, e roads

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 5 years later communication 5 roads developpement en afrique.*.