Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
data communication » data communications
developpement en » developpement et, developpement des, developpement de
more variation » modes variation, care variation, pose variation
typology more » typology how
systems leur » systems lens, systems level, systems legal
variation 6 » variation _, variations _, variation des
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 more variation 6 test data communication systems leur developpement en afrique.*.