Perhaps you should try some spelling variations:
oral communication » personal communication
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
die variation » de variation, does variation, der variation
variation bei » variation des, variation der, variation _
typology die » typology _, typology 4.1, typology 6
3 en » 3 ein, 3 den, 3 end

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

• Adding a wildcard symbol may retrieve word variants: typology die variation bei _ oral communication 3 en developpement en afrique.*.