Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1 » communication _, communication a, communication 3
3 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
variation 6 » variation _, variations _, variation des
firms oral » firms rural, firms deal, firms global
l afrique » en afrique
6 firms » 4 firms, 4.6 firms, do firms

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation 6 firms oral communication 1 3 developpement l afrique.*.