Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
le developpement » de developpement, sme development
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation von » variationen von, variation _, variation 6
des afrique » en afrique, de l'afrique
does oral » does formal, does oil
von does » von doris, von downs, ban does
2.1 le » 2.1 les, 2.1 la, 1.1 le

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologien der variation von does oral communication 2.1 le developpement des afrique.*.