Perhaps you should try some spelling variations:
service telecommunication » mobile telecommunication, services communication, rural telecommunication
telecommunication a » telecommunication _, telecommunication law, telecommunication el
des developpement » des developpements, de developpement, le developpement
des variation » does variation, de variation, der variation
bus service » bus services
des afrique » en afrique, de l'afrique
a des » a der, a das
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 _ bus service telecommunication a des developpement des afrique.*.