Perhaps you should try some spelling variations:
oral communication » personal communication
des developpements » deux developpements, de developpement, et developpements
developpements l » developpements de, developpement il, developpement la
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
variation a » variation _, variation 6, variation 5
does oral » does formal, does oil
l afrique » en afrique
a does » 2 does, 4 does, 1 does
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation a does oral communication a des developpements l afrique.*.