Perhaps you should try some spelling variations:
data communication » data communications
des developpement » des developpements, de developpement, le developpement
variation series » education series, action series, edition series
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
series cost » series post, services cost, series cross
de afrique » de l'afrique, en afrique, l afrique
cost data » test data
media des » media das, media der, media modes

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

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