Perhaps you should try some spelling variations:
developpement durable » developpement de
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
rate information » trade information, care information, age information
information when » information what, information war, information wants
technology rate » technology state, technology role, technology related
a developpement » au developpement, de developpement, le developpement
costs a » costs _, costs 4
when a » when _
a 4.2 » a 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology rate information when a 4.2 communication costs a developpement durable afrique.*.