Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
die developpement » de developpement, le developpement, du developpement
variation series » education series, action series, edition series
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series deas » series bias, series de, series models
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: typologie der variation series deas voice communication a die developpement des afrique.*.