Perhaps you should try some spelling variations:
developpement durable » developpement de
verbal communication » nonverbal communication, virtual communication, oral communication
typologie minor » typologie eines, typologie einiger
minor variation » minor irrigation, color variation, gender variation
d developpement » de developpement, du developpement, le developpement
variation behn » variation bei, variation des, variation der
des verbal » des verbalen, des verbs, models verbal
behn des » behn does, en des

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

• Adding a wildcard symbol may retrieve word variants: typologie minor variation behn des verbal communication a d developpement durable afrique.*.