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
variation less » variation des, variation test, variation bei
typologie ier » typologie der, typologien der, typologie des
ier variation » ier variations, der variation, 1er variations
less water » loss water, leste water, mass water
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: typologie ier variation less water oral communication _ smes developpement de afrique.*.