Perhaps you should try some spelling variations:
de developpement » sme development
developpement de » developpement des, developpement durable
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, l afrique
a oral » _ oral, 2 oral, 1 oral
4 oral » _ oral, 2 oral
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 die variation 6 ((a oral) OR (4 oral)) communication a de developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation 6 ((a oral) OR (4 oral)) communication a de developpement de afrique.*.