Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
developpement et » developpement des, developpement de, development east
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
bus device » bus service, vs device, bus services
et afrique » en afrique, l afrique
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: typologie die variation _ bus device communication a de developpement et afrique.*.