Perhaps you should try some spelling variations:
2 communications » 2 communication, 3 communications, 4 communications
technologies co » technologies _, technologies 4, technologies 2
co conservation » 4 conservation, 3 conservation, 1 conservation
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
areas 1.3 » areas 3.3, areas 1.4, areas 2.3
l afrique » en afrique
1.3 2 » 1.3 _, 1.3 a, 1.3 5

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

• Adding a wildcard symbol may retrieve word variants: technologies co conservation areas 1.3 2 communications _ a developpement l afrique.*.