Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
leur developpement » le developpement, deux developpements, de developpement
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation 6 » variation _, variations _, variation des
series leur » series four, series luc
des afrique » en afrique, de l'afrique
6 test » 6 tests, 2 test, f test

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

• Adding a wildcard symbol may retrieve word variants: typology die variation 6 test data communication series leur developpement des afrique.*.