Perhaps you should try some spelling variations:
mobile communications » mobile communication
die developpement » de developpement, le developpement, du developpement
communications a » communications _, communications law, communications media
variation der » variation des, variation bei, variation _
does mobile » das mobile
des afrique » en afrique, de l'afrique
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation der does mobile communications a die developpement des afrique.*.