Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
1 transformation » 4 transformation, die transformation, der transformation
transformation 1 » transformation _, transformation a, transformation 3
developpement de » developpement des, developpement durable
3 developpement » de developpement, le developpement, et developpement
technologies 1 » technologies _, technologies 4, technologies 2
10.1.1 risk » 10.1.5 risk, 11.1.1 risk, 1.2.1 risk
de african » do african, de africa, me african
1 10.1.1 » 19 10.1.1, 1 10.2.1, 1 1.1.1
skills 3 » skills _, skills a, skills 1

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 transformation 1 10.1.1 risk communication skills 3 developpement de african.*.