Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
oral communication » personal communication
developpement de » developpement des, developpement durable
d developpement » de developpement, du developpement, le developpement
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, l afrique
does oral » does formal, does oil
series d » series _, series 1, series 2
6 does » 16 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: typology des variation 6 does oral communication series d developpement de afrique.*.