Perhaps you should try some spelling variations:
zoll communication » cell communication, cell communications, moral communication
transformation a » transformation _
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
de africa » does africa, de america, use africa
der zoll » der zolle, der zahl
media au » medias au, media a, media ai
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation a der zoll communication media au developpement de africa.*.