Perhaps you should try some spelling variations:
data communication » data communications
de developpement » sme development
der variations » der variation, 1er variations, ier variations
typologie der » typologie des, ideologie der
des afrique » en afrique, de l'afrique
cost data » test data
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: typologie der variations _ cost data communication media de developpement des afrique.*.