Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
communications 5 » communications _, communications a, communications pt
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
table 4 » table _, table 1, table 4.1
4 u.s » _ u.s, a u.s
5 et » 5 set, 5 get, 5 het

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information table 4 u.s communications 5 et developpement l afrique.*.