Perhaps you should try some spelling variations:
developpement durable » developpement de
type communication » type communications, style communication, time communication
transformation a » transformation _
a developpement » au developpement, de developpement, le developpement
durable africa » rural africa
de type » le type
media a » media _, media 1, media 3
a de » a die, a der, a des

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

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