Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
deux developpement » deux developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
models virtual » model virtual, mobile virtual, models verbal
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation

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 virtual communication a deux developpement de l'afrique.*.