Perhaps you should try some spelling variations:
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation 6 » variation _, variations _, variation des
media des » media das, media der, media modes
l afrique » en afrique
vs oral » u.s oral
6 vs » _ vs, 1 vs, 6 os

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation 6 vs oral communication media des developpement l afrique.*.