Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
connecting water » conserving water, conveying water, connecting cities
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 connecting » _ connecting, 2 connecting, 8 connecting
water areas » water arena, water read, water address
de afrique » de l'afrique, en afrique, l afrique
areas 2.7 » areas 2.2, areas 2.3, areas 2.1

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 _ et developpement de afrique.*.