Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technologies 1 » technologies _, technologies 4, technologies 2
storage du » storage due, storage do, stockage du
du risk » d risk, de risk, zu risk
3 leur » a leur, 3 lehr

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information storage du risk communication 3 leur developpement en afrique.*.