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 l » developpement il, developpement la, developpement de
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
does oral » does formal, does oil
l afrique » en afrique
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 de variation _ does oral communication 3.3 der developpement l afrique.*.