Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
die developpement » de developpement, le developpement, du developpement
variation series » education series, action series, edition series
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
series des » series de, series d, series e
des verbal » des verbalen, des verbs, models verbal
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typology des variation series des verbal communication 3 die developpement de l'afrique.*.