Perhaps you should try some spelling variations:
communication services » telecommunications services
data communication » data communications
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
die variation » de variation, does variation, der variation
services leur » services led, services le, services les
typology die » typology _, typology 4.1, typology 6
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, 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 services leur developpement de afrique.*.