Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
leur developpement » le developpement, deux developpements, de developpement
communications 3 » communications _, communications a, communications 5
des afrique » en afrique, de l'afrique
about de » about due, about dead, about debt
de u.s » der u.s, do u.s
3 leur » a leur, 3 lehr

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information about de u.s communications 3 leur developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about de u.s communications 3 leur developpement des afrique.*.