Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
usage developpement » de developpement, le developpement, au developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation des » variation _, variation 6, variation series
series usage » services usage, series page, series iste
des doses » des choses, des dorfes, des deces

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

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