Perhaps you should try some spelling variations:
ca communication » la communication, a communication, sa communication
developpement du » developpement de, developpement des, developpement et
b informationen » _ informationen, av informationen, b information
communication 2 » communication _, communication a, communication 3
2 developpement » de developpement, le developpement, et developpement
technologies b » technologies _, technologies 4, technologies 2
du afrique » en afrique, l afrique, de l'afrique

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 der) OR (zu den)) ca communication 2 2 developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies b informationen ((zu der) OR (zu den)) ca communication 2 2 developpement du afrique.*.