Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
e communication » de communication, 1 communication, une communication
information 4 » information 2
technology 2 » technology _, technology 1, technology 3
costs a » costs _, costs 4
4 does » 2 does
does e » does de, does _, does a

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information 4 does e communication costs a developpement de l'afrique.*.