Perhaps you should try some spelling variations:
developpement durable » developpement de
causes communication » mass communication, crisis communication, assess communication
der developpement » de developpement, des developpements, leur developpement
communication 12 » communication 1, communication 2, communication 10
technologie und » technologies 2.1
innovation 2 » innovation 1, innovation 4, innovation 3
does causes » des causes, les causes, die causes
2 does » 4 does
12 der » 1.2 der

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

• Adding a wildcard symbol may retrieve word variants: technologie und innovation 2 does causes communication 12 der developpement durable afrique.*.