Perhaps you should try some spelling variations:
oral communication » personal communication
du developpement » de developpement, le developpement, et developpement
developpement et » developpement des, developpement de, development east
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation 2 » variation 27, variation _, variation 6
first oral » first organ, first deal, first drupal
et afrique » en afrique, l afrique

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 first oral communication _ du developpement et afrique.*.