Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation 2.3 » variation 3.3, variation 4.3, variation 2.1
debt services » debt service, debt servicing, e services
2.3 debt » 2.5 debt, 2.3 delta, 2.3 der
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 2.3 debt services communication a leur developpement en afrique.*.