Perhaps you should try some spelling variations:
oral communication » personal communication
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
l afrique » en afrique
diw oral » i oral, ii oral, iii oral
6 diw » 6 die, 6 did, 6 dis
3 due » 3 die, _ due, i due
1 due » 1 die, _ due, 1 dum
typologie » typologies, typology

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 des variation 6 diw oral communication ((3 due) OR (1 due)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 diw oral communication ((3 due) OR (1 due)) developpement l afrique.*.