Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
did developpement » de developpement, du developpement, des developpements
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
variation a » variation _, variation 6, variation 5
des afrique » en afrique, de l'afrique
series did » series d, series de, series ein
cost data » test data

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

• Adding a wildcard symbol may retrieve word variants: typology des variation a cost data communications series did developpement des afrique.*.