Perhaps you should try some spelling variations:
de developpement » sme development
variation bus » variation des, variation bei, variation due
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
costs mobile » does mobile, less mobile, meets mobile
des afrique » en afrique, de l'afrique
bus costs » gas costs
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation bus costs mobile communication media de developpement des afrique.*.