Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
trade information » price information, private information, trade integration
die developpement » de developpement, le developpement, du developpement
technology trade » technology trends, technology transfer, technology transfers
communications a » communications _, communications law, communications media
information 2 » information 3
des afrique » en afrique, de l'afrique
die u.s » five u.s, life u.s
a die » 3 die, _ die, 1 die

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

• Adding a wildcard symbol may retrieve word variants: technology trade information 2 die u.s communications a die developpement des afrique.*.