Perhaps you should try some spelling variations:
u.s communication » u.s communications, 2.3 communication, 3.2 communication
communication 1 » communication _, communication a, communication 3
e developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
information 40 » information 4, information 4.2, information 4.3
des afrique » en afrique, de l'afrique
year u.s » year 4.3, year 4.4, der u.s
40 year » 40 years, 10 year, 20 year
1 e » 1 le

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 40 year u.s communication 1 e developpement des afrique.*.