Perhaps you should try some spelling variations:
oral communication » personal communication
wbi developpement » wbi development, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
variation using » variations during, variation und, variation among
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
using does » using deep, being does, using aes
du afrique » en afrique, l afrique, de l'afrique
does oral » does formal, does oil
media wbi » media ai, media b, media war

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation using does oral communication media wbi developpement du afrique.*.