Perhaps you should try some spelling variations:
communication layer » communication law, communication united
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation being » variation bei, variation using, variation among
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
being new » bring new, seeing new, using new
layer des » layer dermis, layer models
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation being new oral communication layer des developpement en afrique.*.