Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement et » developpement des, developpement de, development east
topologien bei » topologie der, topologie des, topologie iii
variation over » variation der, variation notes, variation des
bei variation » de variation, der variation, based variation
et afrique » en afrique, l afrique
over den » oder den, over de, uber den
den oral » den ort, new oral

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

• Adding a wildcard symbol may retrieve word variants: topologien bei variation over den oral communication _ de developpement et afrique.*.