Perhaps you should try some spelling variations:
dam developpement » de developpement, du developpement, au developpement
communications a » communications _, communications law, communications media
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
costs data » cost data
des costs » gas costs, bus costs, d costs
a dam » a das, a day, _ dam

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation des costs data communications a dam developpement des afrique.*.