Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
typologie 2 » topologie 2, typologies _, typologie et
variation 6 » variations _, variation des
l afrique » en afrique
2 de » 2 die, 2 der, _ de

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 2 ((variation 6) OR (variation _)) ddr oral communication 2 de developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie 2 ((variation 6) OR (variation _)) ddr oral communication 2 de developpement l afrique.*.