Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
costs data » cost data
services a » services asia
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typology 4.1 variation _ costs data communication services a developpement l afrique.*.