Perhaps you should try some spelling variations:
communication layer » communication law, communication united
oral communication » personal communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
variation being » variation bei, variation using, variation among
des variation » does variation, de variation, der variation
being new » bring new, seeing new, using new
new oral » new moral, knew moral, new rural
layer le » layer l2, layer l3, layer l4
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 being new oral communication layer le developpement en afrique.*.