Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
de afrique » de l'afrique, en afrique, l afrique
der edo » der edda
der edk » der edda, der eepk, der egks
3 de » 3 die, 3 der, 3 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: "typology des variation ((der edo) OR (der edk)) oral communication 3 de developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation ((der edo) OR (der edk)) oral communication 3 de developpement de afrique.*.