Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
de developpement » sme development
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
das mobile » does mobile, a mobile
de afrique » de l'afrique, en afrique, l afrique
6 das » 1 das, 2 das, 3 das
a de » a die, a der, a des
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 das mobile communication a de developpement de afrique.*.