Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
oral communication » personal communication
developpement de » developpement des, developpement durable
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
de afrique » de l'afrique, en afrique, l afrique
us oral » u.s oral, vs oral
a does » 2 does, 4 does, 1 does

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologie die variation des us oral communication a does developpement de afrique.*.