Perhaps you should try some spelling variations:
developpement et » developpement des, developpement de, development east
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation 27 » variation 2, variation 7, variation 2.1
et afrique » en afrique, l afrique
las risk » lens risk, loss risk, its risk
27 las » 27 das
a bau » a bad, a bab, a ban
a au » a auf, a aus, a a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie die variation 27 las risk communication ((a au) OR (a bau)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation 27 las risk communication ((a au) OR (a bau)) developpement et afrique.*.