Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
series des » series de, series d, series e
does oral » does formal, does oil
des does » des doses, der does, des dorfes

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

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