Perhaps you should try some spelling variations:
oral communication » personal communication
das developpement » des developpements, de developpement, du developpement
variation series » education series, action series, edition series
communication 1 » communication _, communication a, communication 3
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
des afrique » en afrique, de l'afrique
series dr » series d, series de, series _
dr oral » dr osrar

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation series dr oral communication 1 das developpement des afrique.*.