Perhaps you should try some spelling variations:
oral communication » personal communication
communication 5.2 » communication 3.2, communication 5.5, communication 5.4
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation von » variationen von, variation _, variation 6
les oral » new oral, u.s oral, vs oral
von les » von lea, von led, von lee
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation von les oral communication 5.2 do developpement en afrique.*.