Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication 4.3 » communication 3.3, communication 4.1, communication 3
due developpement » de developpement, du developpement, le developpement
variation series » education series, action series, edition series
developpement de » developpement des, developpement durable
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series models » series model, service models
models verbal » models several, models versus, models global
de afrique » de l'afrique, en afrique, l afrique
4.3 due » 4.3 die, 4.3 de, 4.3 deep

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation series models verbal communication 4.3 due developpement de afrique.*.