Perhaps you should try some spelling variations:
5.5 communication » 3.5 communication, 2.5 communication, 5.5.2 communication
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology 1 » technology _
when roles » when does, within roles
de afrique » de l'afrique, en afrique, l afrique
roles 5.5 » roles 3.5, rules 5.5, rates 5.5
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information when roles 5.5 communication costs 4 developpement de afrique.*.