Perhaps you should try some spelling variations:
sanitation activities » sanitation facilities, sanitation utilities, education activities
towns sanitation » town sanitation, total sanitation, tank sanitation
technologies do » technologies de, technologies box, technologies daf
developpement l » developpement il, developpement la, developpement de
do information » 2 information, 1 information, 3 information
l afrique » en afrique
3 towns » _ towns, 2 towns, 3 town
3.2 3 » 3.2 3d, 3.2 _, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies do information 3.2 3 towns sanitation activities _ developpement l afrique.*.