Perhaps you should try some spelling variations:
oral communication » personal communication
variation series » education series, action series, edition series
de developpement » sme development
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
series des » series de, series d, series e
des oral » des moral, des oil, des orts
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation series des oral communication 3 de developpement de l'afrique.*.