Perhaps you should try some spelling variations:
informations needs » information needs, information need, information needed
2.3 communication » 3.2 communication, de communication, 4 communication
u.s developpement » u.s development, un developpement, des developpements
developpement de » developpement des, developpement durable
needs life » needs link, needs time
de africa » does africa, de america, use africa
life 2.3 » life 2.1, life 2.4, life 3
a u.s » _ u.s

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

• Adding a wildcard symbol may retrieve word variants: technology _ informations needs life 2.3 communication a u.s developpement de africa.*.