Perhaps you should try some spelling variations:
oral communication » personal communication
zur developpement » leur developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
de afrique » de l'afrique, en afrique, l afrique
does oral » does formal, does oil
3 zur » 1 zur, 2 zur

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation _ does oral communication 3 zur developpement de afrique.*.