Perhaps you should try some spelling variations:
development second » development beyond, development section, development sectors
communication 1 » communication _, communication a, communication 3
variation oder » variation der, variation over, variation des
des variation » does variation, de variation, der variation
oder den » oder der, wider den, uber den
den risk » can risk, den res, own risk
1 gas » _ gas, 2 gas, 3 gas
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation oder den risk communication 1 gas development second afrique.*.