Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
le developpement » de developpement, sme development
des variation » does variation, de variation, der variation
variation bus » variation des, variation bei, variation due
des l'afrique » de l'afrique, de l'amerique
typology des » typologie des, typologie der, typology _
cost data » test data
series le » series e, series de, series ltre
bus cost » bus costs, vs cost

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

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