Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.4 » communication 3.3, communication 4, communication _
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die 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
2.4 do » 3.4 do, 4.4 do, 8.4 do

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation von les oral communication 2.4 do developpement en afrique.*.