Perhaps you should try some spelling variations:
development west » development what, development where, development work
das development » dams development, gas development, does development
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
term mass » term biomass
dem mass » dem mis
a das » 1 das, 2 das, 3 das

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 _ ((dem mass) OR (term mass)) communication a das development west africa.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation _ ((dem mass) OR (term mass)) communication a das development west africa.*.