Perhaps you should try some spelling variations:
oral communication » personal communication
developpement la » developpement de, developpement et, developpement du
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
apologie die » apologia de, apologie des, apologien der
ex oral » new oral
des ex » des eg, des eaux
a des » a der
a das » 1 das, 2 das, 3 das
fabrique. » afrique., fabrice.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: apologie die variation des ex oral communication ((a des) OR (a das)) developpement la fabrique.~.
• Adding a wildcard symbol may retrieve word variants: apologie die variation des ex oral communication ((a des) or (a das)) developpement la fabrique.*.