Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
stories oral » stories real, stories great, stories from
variation 2 » variation 27, variation _, variation 6
de afrique » de l'afrique, en afrique, l afrique
2 stories » _ stories, 1 stories
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 de variation 2 stories oral communication a der developpement de afrique.*.