Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
oral communication » personal communication
1 developpement » de developpement, le developpement, et developpement
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
des afrique » en afrique, de l'afrique
series 1 » series _
vs oral » u.s oral

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation _ vs oral communication series 1 developpement des afrique.*.