Perhaps you should try some spelling variations:
lean developpement » le developpement, en developpement, leur developpement
sign communication » open communication, human communication, 3 communication
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
technologies 3 » technologies _, technologies 4, technologies 2
3 innovation » 2 innovation
l afrique » en afrique
3 lean » _ lean, a lean
1 de » 1 die, 1 der, 2 de
_ de » _ der, _ den, _ do

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: "technologies 3 innovation ((1 de) OR (_ de)) sign communication 3 lean developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 innovation ((1 de) OR (_ de)) sign communication 3 lean developpement l afrique.*.