Perhaps you should try some spelling variations:
3 transformation » 1 transformation, 4 transformation, e transformation
developpement l » developpement il, developpement la, developpement de
technology 3 » technology _, technology 1, technology 4
l afrique » en afrique
le risk » e risk, de risk, life risk
3 au » 3 auf, 3 zu, 3 eu

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: "technology 3 transformation _ le risk communication ((3 au) OR (3 a)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 transformation _ le risk communication ((3 au) OR (3 a)) developpement l afrique.*.