Perhaps you should try some spelling variations:
communications medium » communication medium, communications media, communication mediums
developpement durable » developpement de
a communications » a communication, data communications, a communicative
a developpement » au developpement, de developpement, le developpement
medium a » mediums a, medium _, medium 2
4.2 die » 2.2 die
die a » die al, die _, die 4

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 4.2 die a communications medium a developpement durable afrique.*.