Perhaps you should try some spelling variations:
developpement durable » developpement de
time communication » de communication, mobile communication, online communication
die developpement » de developpement, le developpement, du developpement
communication 3 » communication _, communication a
durable africa » rural africa
learning lent » learning lens, learning event, learning center
technology 4 » technology _, technology 1, technology 3
4 machine » a machine
lent time » next time, best time, last time
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technology 4 machine learning lent time communication 3 die developpement durable africa.*.