Perhaps you should try some spelling variations:
developpement durable » developpement de
better communication » written communication, external communication, disaster communication
technologien und » technologie und, technologien des, technologien fur
communication 1 » communication _, communication a, communication 3
l developpement » le developpement, de developpement, et developpement
1 l » 1 la, 1 le, 1 lt

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

• Adding a wildcard symbol may retrieve word variants: technologien und innovation _ work better communication 1 l developpement durable afrique.*.