Perhaps you should try some spelling variations:
dam developpement » de developpement, du developpement, au developpement
cost variations » its variations, country variations, local variations
communication 2 » communication _, communication a, communication 3
typologie cost » typologie des, typologie von, typologie et
dorfes risk » does risk, confers risk, workers risk
des afrique » en afrique, de l'afrique
2 dam » 2 das, _ dam, a dam

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

• Adding a wildcard symbol may retrieve word variants: typologie cost variations _ dorfes risk communication 2 dam developpement des afrique.*.