Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
des developpement » des developpements, de developpement, le developpement
variation using » variations during, variation und, variation among
models virtual » model virtual, mobile virtual, models verbal
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
using models » using model, funding models, testing models
des afrique » en afrique, de l'afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation using models virtual communication a des developpement des afrique.*.