Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
das developpement » des developpements, de developpement, du developpement
transformation 1 » transformation _, transformation a, transformation 3
technologie die » technologie de, technologie im, technologie der
series das » series data, series bias, series a
des africa » does africa, yes africa, de africa
1.2 risk » 11.2 risk, 2.2 risk, 4.2 risk
1 1.2 » 1 3.2, b 1.2, 1 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation 1 1.2 risk communication series das developpement des africa.*.