Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation 3 » variation _, variation 6, variation 5
costs data » cost data
series a » series _, series 1, series 2
3 costs » 3 cost, 4 costs

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

• Adding a wildcard symbol may retrieve word variants: typology die variation 3 costs data communications series a developpement en afrique.*.