Perhaps you should try some spelling variations:
developpement durable » developpement de
informationen uber » informationen und, information use, information users
des developpement » des developpements, de developpement, le developpement
av informationen » _ informationen, av information, b informationen
de communication » mobile communication, online communication
technologies av » technologies a, technologies am, technologies art
uber den » uber die
den de » den die, den drei, orden de

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

• Adding a wildcard symbol may retrieve word variants: technologies av informationen uber den de communication _ des developpement durable afrique.*.