Perhaps you should try some spelling variations:
developpement durable » developpement de
4.5 communication » 3.5 communication, 4.1 communication, 2.5 communication
information when » information what, information war, information wants
le developpement » de developpement, sme development
when ash » when base, when a, when all
costs le » costs _, costs 4, costs a
ash 4.5 » ash 5.5, cash 4.1, dash 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology _ information when ash 4.5 communication costs le developpement durable afrique.*.