Perhaps you should try some spelling variations:
a transformation » la transformation, a transformative, data transformation
transformation a » transformation _
technologies a » technologies _, technologies 4, technologies 2
des afrique » en afrique, de l'afrique
2 risk » 3 risk, 4 risk
12 et » 12 e, 13 et
1 et » 13 et, 1 net, 1 set

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a transformation a 2 risk communication ((1 et) OR (12 et)) developpement des afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies a transformation a 2 risk communication ((1 et) OR (12 et)) developpement des afrique.".
• Adding a wildcard symbol may retrieve word variants: technologies a transformation a 2 risk communication ((1 et) OR (12 et)) developpement des afrique.*.