Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
au developpement » du developpement, de developpement, le developpement
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
des afrique » en afrique, de l'afrique
cost data » test data
series au » series a, series ann, series amp

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

• Adding a wildcard symbol may retrieve word variants: typology de variation _ cost data communication series au developpement des afrique.*.