Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
communications 5 » communications _, communications a, communications pt
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
4.2 der » 2.2 der, 3.2 der
der u.s » over u.s, year u.s
5 de » 5 die, 5 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 4.2 der u.s communications 5 de developpement en afrique.*.