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

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

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