Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
de developpement » sme development
des variation » does variation, de variation, der variation
variation 5.8 » variation 5.5, variation 4.1, variation 3.3
services de » services 3, services 1, services 2
des afrique » en afrique, de l'afrique
cost data » test data
5.8 cost » 3.8 cost, 10.8 cost, 2.1 cost
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 5.8 cost data communication services de developpement des afrique.*.