Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
communication 4 » communication _, communication a, communication 3
la afrique » l afrique, la fabrique, en afrique
6 der » _ der, 2 der, 3 der
6 dr » 16 dr, _ dr, 6 de
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) OR (6 der)) open communication 4 de developpement la afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology _ variation ((6 dr) OR (6 der)) open communication 4 de developpement la afrique.*.