Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.3 » communication 23.3, communication 3.3, communication 2.4
de developpement » sme development
developpement et » developpement des, developpement de, development east
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
et afrique » en afrique, l afrique
does oral » does formal, does oil
2.3 de » 2.3 die, 2.3 der, 4.3 de

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 2.3 de developpement et afrique.*.