Perhaps you should try some spelling variations:
developpement durable » developpement de
technologies can » technologies a, technologies co, technologies _
information data » information d820, information database, information databases
de communication » mobile communication, online communication
can information » von information, von informationen
data die » data did, data disk, data does
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies can information data die de communication a _ developpement durable l'afrique.*.