Perhaps you should try some spelling variations:
data communication » data communications
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
costs data » cost data
de afrique » de l'afrique, en afrique, l afrique
media des » media das, media der, media modes

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ costs data communication media des developpement de afrique.*.