Perhaps you should try some spelling variations:
fet developpement » et developpement, de developpement, le developpement
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
connecting water » conserving water, conveying water, connecting cities
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
technologies 4 » technologies _
4 connecting » _ connecting, 2 connecting, 8 connecting
water areas » water arena, water read, water address
areas 2.7 » areas 2.2, areas 2.3, areas 2.1
3 fet » 3 fat

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 connecting water areas 2.7 communication 3 fet developpement de l'afrique.*.