Perhaps you should try some spelling variations:
oral communication » personal communication
smes developpement » smes development, sme development, de developpement
developpement de » developpement des, developpement durable
des variationen » die variationen, de variation, der variation
variationen des » variationen der, variation des, variations des
de afrique » de l'afrique, en afrique, l afrique
des water » does water, des warner, less water
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 variationen des water oral communication _ smes developpement de afrique.*.