Perhaps you should try some spelling variations:
developpement durable » developpement de
verbal communication » nonverbal communication, virtual communication, oral communication
deux developpement » deux developpements, de developpement, du developpement
typologies does » typologie des, typologie der, typologien der
does variation » de variation, der variation, die variation
des verbal » des verbalen, des verbs, models verbal

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

• Adding a wildcard symbol may retrieve word variants: typologies does variation _ des verbal communication a deux developpement durable afrique.*.