Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
de developpement » sme development
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
vs mobile » das mobile, mms mobile, a mobile
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ vs mobile communication a de developpement de afrique.*.