Perhaps you should try some spelling variations:
oral communication » personal communication
des developpements » deux developpements, de developpement, et developpements
developpements des » developpement des, developpements de, developpement de
variation being » variation bei, variation using, variation among
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
being mobile » using mobile, wing mobile, banking mobile
mobile oral » mobile rural
des afrique » en afrique, de 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 die variation being mobile oral communication a des developpements des afrique.*.