Perhaps you should try some spelling variations:
informations needs » information needs, information need, information needed
u.s communication » u.s communications, 2.3 communication, 3.2 communication
u.s developpement » u.s development, un developpement, des developpements
developpement de » developpement des, developpement durable
needs time » needs life
de africa » does africa, de america, use africa
time u.s » times u.s, time use, time 3.2
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 time u.s communication a u.s developpement de africa.*.