Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
variation series » education series, action series, edition series
developpement et » developpement des, developpement de, development east
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
et afrique » en afrique, l afrique
series 2 » series _, series 1
2 oral » _ oral, 4 oral
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation series 2 oral communication a der developpement et afrique.*.