Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
communication 1 » communication _, communication a, communication 3
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
first oral » first organ, first deal, first drupal
des first » its first, his first, vs first
1 de » 1 die, 1 der, _ de

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typology _ variation des first oral communication 1 de developpement des afrique.*.