Perhaps you should try some spelling variations:
transformation des » transformation der, transformation _
15 communication » 5 communication, 1 communication, 10 communication
developpement do » developpement de, developpement du, developpement des
1 developpement » de developpement, le developpement, et developpement
do african » two african, _ african, 1 african
des ddr » der ddr, des dr, dem ddr
media 1 » media _
ddr 15 » ddr 1, der 15, ddr 12

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation des ddr 15 communication media 1 developpement do african.*.