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 en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
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 der variation _ does oral communication 3.3 der developpement en afrique.*.