Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication layer » communication law, communication united
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
variation among » starvation among, formation among, variation von
des variation » does variation, de variation, der variation
among knew » among new
la afrique » l afrique, la fabrique, en afrique
layer des » layer dermis, layer models
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 knew verbal communication layer des developpement la afrique.*.