Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
a developpement » au developpement, de developpement, le developpement
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
typology die » typology _, typology 4.1, typology 6
des afrique » en afrique, de l'afrique
services a » services asia
cost data » test data
des cost » des ost, des post, des couts

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

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