Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
variation using » variations during, variation und, variation among
developpement l » developpement il, developpement la, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
using does » using deep, being does, using aes
does oral » does formal, does oil
media der » media order, media under, mediale der
l afrique » en afrique

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

• Performing a fuzzy search may retrieve terms with similar spellings: typologie de variation using does oral communication media der developpement l afrique.~.