Perhaps you should try some spelling variations:
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
ahead business » based business, harvard business
des variation » does variation, de variation, der variation
convention 6 » convention _, convention 2, convention 3
variation 6 » variation _, variations _, variation des
6 ahead » _ ahead, go ahead, up ahead
6 das » 1 das, 2 das, 3 das
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 ahead business convention 6 das developpement en afrique.*.