Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
variation being » variation bei, variation using, variation among
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
does verbal » des verbal, does vertical, models verbal
being does » lending does, reading does
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation being does verbal communication a das developpement de l'afrique.*.