Perhaps you should try some spelling variations:
oral communication » personal communication
etc developpements » et developpements, et developpement, deux developpements
communication law » communications law, communication layer, communication 3
developpements en » developpement en, developpement et, developpements de
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
typology der » typologie der, typologien der, typologie des
law etc » laws etc

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

• Adding a wildcard symbol may retrieve word variants: typology der variation des _ oral communication law etc developpements en afrique.*.