Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
zur transformation » rural transformation, die transformation, energy transformation
der developpement » de developpement, des developpements, leur developpement
transformation a » transformation _
developpement en » developpement et, developpement des, developpement de
technologie zur » technologien zur, technologien fur, technologie der
en african » new african, pan african, _ african
3.2 risk » 2.2 risk, 4.2 risk, 6.2 risk
a 3.2 » _ 3.2, a 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologie zur transformation a 3.2 risk communication system der developpement en african.*.