Perhaps you should try some spelling variations:
vehicle communication » vehicular communication, device communication, voice communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
typologies die » typologies _, typologie des, typologie der
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
die vehicle » drive vehicle, mile vehicle, das vehicle
l afrique » en afrique
des die » es die, des diw, des dix
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologies die variation des die vehicle communication a de developpement l afrique.*.