Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
eu developpement » et developpement, du developpement, au developpement
variation behn » variation bei, variation des, variation der
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
des afrique » en afrique, de l'afrique
behn does » being does, ban does
does oral » does formal, does oil

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation behn does oral communication 2.1 eu developpement des afrique.*.