Perhaps you should try some spelling variations:
data communication » data communications
der developpement » de developpement, des developpements, leur developpement
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
des afrique » en afrique, de l'afrique
media der » media order, media under, mediale der
ost data » cost data, post data, oct data

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

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