Perhaps you should try some spelling variations:
services telecommunication » services telecommunications, service telecommunication, service telecommunications
telecommunication a » telecommunication _, telecommunication law, telecommunication el
des developpement » des developpements, de developpement, le developpement
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des services » debt services, bus services, e services
des afrique » en afrique, de l'afrique
des des » des deas, des dem, des der
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation des des services telecommunication a des developpement des afrique.*.