Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
deux developpement » deux developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
series deux » series de, series index
costs data » cost data

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

• Adding a wildcard symbol may retrieve word variants: typology die variation _ costs data communication series deux developpement de l'afrique.*.