Perhaps you should try some spelling variations:
oral communication » personal communication
trade developement » trade development, trade developments, trades development
developement du » developpement du, developpement de, developement _
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
variation a » variation _, variation 6, variation 5
media trade » media matrade, medical trade, india trade
du afrique » en afrique, l afrique, de l'afrique
sex oral » new oral
a sex » _ sex, a set, a sea

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 sex oral communication media trade developement du afrique.*.