Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
realen voice » reading voice
et afrique » en afrique, l afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ realen voice communication a des developpement et afrique.*.