Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
communications 5 » communications _, communications a, communications pt
zu developpement » du developpement, au developpement, ou developpement
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
der u.s » over u.s, year u.s
2 der » _ der
5 zu » 5 zur, 5 zum, 2 zu

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 der u.s communications 5 zu developpement de l'afrique.*.