Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
de developpement » sme development
developpement et » developpement des, developpement de, development east
variation over » variation der, variation notes, variation des
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
et afrique » en afrique, l afrique
over das » cover das, oder das, over data
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: typology des variation over das de communication _ de developpement et afrique.*.