Perhaps you should try some spelling variations:
de transformation » die transformation, e transformation, 1 transformation
transformation 3 » transformation _, transformation a, transformation 1
au developpement » du developpement, de developpement, le developpement
technologie de » technologies de, technologie der, technologie die
systems au » systems auf, systems aus, systems a
des africa » does africa, yes africa, de africa
2.2 risk » 4.2 risk
3 2.2 » _ 2.2, b 2.2, a 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologie de transformation 3 2.2 risk communication systems au developpement des africa.*.