Perhaps you should try some spelling variations:
developpement durable » developpement de
verbal communication » nonverbal communication, virtual communication, oral communication
des developpement » des developpements, de developpement, le developpement
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation des » variation _, variation 6, variation series
des verbal » des verbalen, des verbs, models verbal
des des » des deas, des dem, des der
a des » a der, a das

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

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