Perhaps you should try some spelling variations:
communications 2.2.1 » communications 2.4.1, communication 8.2.1, communication 2.2.3
oral communications » oral communication, rural communications, moral communication
ai developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
does oral » does formal, does oil
l afrique » en afrique
2.2.1 ai » 2.2.1 a, 2.2.1 au, 12.1.1 ai

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 communications 2.2.1 ai developpement l afrique.*.