Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
zur transformation » rural transformation, die transformation, energy transformation
risi communication » risk communication, crisis communication, risk communications
developpement use » developpement une, developpement de, development use
technologien zur » technologien fur, technologien des, technologien und
le developpement » de developpement, sme development
system le » systeme le, system lm, system late
de risi » de risk, de risco

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

• Adding a wildcard symbol may retrieve word variants: technologien zur transformation _ de risi communication system le developpement use africa.*.