Perhaps you should try some spelling variations:
technologies energy » technologies general, technology energy, technologies any
15 communication » 5 communication, 1 communication, 10 communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
information 3 » information 2
de africa » does africa, de america, use africa
media du » media die, media das, media der
der 15 » der 10, der 11, der 12
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologies energy information 3 der 15 communication media du developpement de africa.*.