Perhaps you should try some spelling variations:
developpement durable » developpement de
communication mediums » communication medium, communication media, communications media
information 1.2 » information 1.5.2, information 2
a developpement » au developpement, de developpement, le developpement
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
mediums a » mediums _, medium a, medium _
1.2 die » 2.2 die, 3.2 die, 4.2 die

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 information 1.2 die _ communication mediums a developpement durable afrique.*.