Perhaps you should try some spelling variations:
development manuel » developpement manuel, development model, development master
variation wider » variation der, variation des, variation de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
wider den » wider die
den mass » en masse, den mann, den mso
a gas » _ gas, 2 gas, 3 gas

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation wider den mass communication a gas development manuel afrique.*.