Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation 2 » variation 27, variation _, variation 6
des afrique » en afrique, de l'afrique
der oral » der moral, der ort, der orte
2 der » _ 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 2 der oral communication _ de developpement des afrique.*.