Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
developpement durable » developpement de
variation among » starvation among, formation among, variation von
l developpement » le developpement, de developpement, et developpement
des variation » does variation, de variation, der variation
maa virtual » java virtual, make virtual, a virtual
among maa » among men, among a, among my
a l » a la
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation among maa virtual communication a l developpement durable afrique.*.