Perhaps you should try some spelling variations:
oral communication » personal communication
communication 3.3 » communication _, communication a, communication 1
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
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
3.3 der » 2.3 der, 4.3 der

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 3.3 der developpement de afrique.*.