Perhaps you should try some spelling variations:
communication laws » communication law, communication laos, communications law
oral communication » personal communication
etc developpements » et developpements, et developpement, deux developpements
developpements l » developpements de, developpement il, developpement la
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
l afrique » en afrique
new oral » new moral, knew moral, new rural
der new » under new, der neue

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation der new oral communication laws etc developpements l afrique.*.