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