Perhaps you should try some spelling variations:
vehicle communication » vehicular communication, device communication, voice communication
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
das vehicle » gas vehicle, gas vehicles, a vehicle
l afrique » en afrique
des das » des deas, des dax, des daz
a auf » i auf, b auf
a au » a bau, a aus, a a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie der variation des das vehicle communication ((a au) OR (a auf)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation des das vehicle communication ((a au) OR (a auf)) developpement l afrique.*.