Perhaps you should try some spelling variations:
oral communication » personal communication
der developpements » des developpements, deux developpements, de developpement
developpements en » developpement en, developpement et, developpements 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
a der » _ der, 2 der, 3 der

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 der developpements en afrique.*.