Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
developpement de » developpement des, developpement durable
b informationen » _ informationen, av informationen, b information
o developpement » ou developpement, de developpement, le developpement
technologies b » technologies _, technologies 4, technologies 2
de afrique » de l'afrique, en afrique, l afrique
eu do » eu io
a o » a co

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies b informationen ((zu do) OR (eu do)) 5.4 communication a o developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies b informationen ((zu do) OR (eu do)) 5.4 communication a o developpement de afrique.*.