Perhaps you should try some spelling variations:
services telecommunication » services telecommunications, service telecommunication, service telecommunications
telecommunication a » telecommunication _, telecommunication law, telecommunication el
die developpement » de developpement, le developpement, du developpement
variation des » variation _, variation 6, variation series
debt services » debt service, debt servicing, e services
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des afrique » en afrique, de l'afrique
des debt » does debt, des debuts, debt debt
a die » 2 die, 3 die, _ die

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 debt services telecommunication a die developpement des afrique.*.