Perhaps you should try some spelling variations:
developpement durable » developpement de
5.4 communication » de communication, data communication
la developpement » le developpement, de developpement, et developpement
information 3.1 » information 3.2, information 3.4, information 3.3
technologies 2 » technologies _, technologies 4
3.1 does » 4.1 does, 2.3.1 does, 13.2 does
does 5.4 » does 4.8

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.1 does 5.4 communication a la developpement durable afrique.*.