Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
communication 3.3 » communication _, communication a, communication 1
2 transformation » 2 transformations, 1 transformation, 4 transformation
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
3.3 leur » 3.3 les, 3.3 le, 3.3 euro

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 transformation _ 3 risk communication 3.3 leur developpement en afrique.*.