Perhaps you should try some spelling variations:
du developpement » de developpement, le developpement, et developpement
communications a » communications _, communications law, communications media
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des afrique » en afrique, de l'afrique
ties data » studies data
a du » a d, a de, a u

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ ties data communications a du developpement des afrique.*.