Perhaps you should try some spelling variations:
bau developpement » au developpement, du developpement, ou developpement
developpement de » developpement des, developpement durable
die variationen » die variation, sowie variationen, de variation
typologie die » typologie des, typologie der, theologie die
lea risk » clear risk, a risk, cva risk
von lea » von lean, von lena, von la
a bau » a bad, a bab, a ban

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

• Adding a wildcard symbol may retrieve word variants: typologie die variationen von lea risk communication a bau developpement de l'afrique.*.