Perhaps you should try some spelling variations:
data communication » data communications
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
1.3 variation » 3.3 variation, 1.1 variation, 1.4 variation
typology 1.3 » typology 3.3, typologie 1.3, typology 4.1
variation 6 » variation _, variations _, variation des
cost data » test data
media au » medias au, media a, media ai
6 cost » 2 cost, 4 cost, 3 cost

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

• Adding a wildcard symbol may retrieve word variants: typology 1.3 variation 6 cost data communication media au developpement de l'afrique.*.