Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
deux developpement » deux developpements, de developpement, du developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
models verbal » models several, models versus, models global
des afrique » en afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ models verbal communication a deux developpement des afrique.*.