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

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation der den risk communication 2 gas development second afrique.*.