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
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
first mobile » first module, first move, first milk
des first » its first, his first, vs first
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 des variation des first mobile communications a die developpement en afrique.*.