Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
ms communication » mass communication, c's communication, vs communications
typologies 1.4 » typologies 4.4, typologie 1.3, typologie 10.4
1.4 variation » 6.4 variation, 1.1 variation, 1.3 variation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
ddr ms » der ms
6 ddr » 6 der, _ ddr

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

• Adding a wildcard symbol may retrieve word variants: typologies 1.4 variation 6 ddr ms communication a leur developpement des afrique.*.