Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
communication 1 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
information 2 » information 3
l afrique » en afrique
2 air » _ air, 2 aim
1 au » 1 auf, 1 aug, 1 a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 1 information 2 air (mass OR maps) communication 1 au developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 1 information 2 air (mass OR maps) communication 1 au developpement l afrique.*.