Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
de developpement » sme development
communication 4 » communication _, communication a, communication 3
variation 6 » variation _, variations _, variation des
la afrique » la fabrique, en afrique
l afrique » en afrique
dr open » der open, d open, door open
6 dr » 6 der, 16 dr, _ dr
4 de » 4 die, 4 der, 4 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 _ variation 6 dr open communication 4 de developpement ((la afrique) OR (l afrique)).~".
• Adding a wildcard symbol may retrieve word variants: typology _ variation 6 dr open communication 4 de developpement ((la afrique) OR (l afrique)).*.