Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
variations most » variations west, variation test, variations des
der variations » der variation, 1er variations, ier variations
typologie der » typologie des, ideologie der
des afrique » en afrique, de l'afrique
most water » hot water, melt water, ment water

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

• Adding a wildcard symbol may retrieve word variants: typologie der variations most water oral communication _ de developpement des afrique.*.