Perhaps you should try some spelling variations:
oral communication » personal communication
due developpement » de developpement, du developpement, le developpement
developpement il » developpement de, developpement et, developpement du
communication 3 » communication _, communication a
des variations » les variations, does variation, its variations
il afrique » l afrique, en afrique
diw oral » i oral, ii oral, iii oral
3 due » 3 die, _ due, 1 due

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 typologies) des variations _ diw oral communication 3 due developpement il afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typologies) des variations _ diw oral communication 3 due developpement il afrique.*.