Perhaps you should try some spelling variations:
de developpement » sme development
3 communication » 4 communication, de communication, data communication
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
6 dr » 6 der, 16 dr, _ dr
dr 3 » ddr 3, der 3, drl 3
a de » a die, a der, a des

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation 6 dr 3 communication a de developpement des afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation 6 dr 3 communication a de developpement des afrique.*.