Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
using aes » using ae, using als, using bayes
series de » series d, series e, series new
aes oral » des moral, new oral, u.s oral
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation using aes oral communication series de developpement en afrique.*.