Perhaps you should try some spelling variations:
vehicle communication » vehicular communication, device communication, voice communication
variation series » education series, action series, edition series
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
das vehicle » gas vehicle, gas vehicles, a vehicle
series das » series data, series bias, series a
l afrique » en afrique
a au » a auf, a bau, a aus

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 das vehicle communication a au developpement l afrique.*.