Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
information 5.4.2 » information 5.2.2, information 4.2, information 1.5.2
communications pt » communication pt, communications _, communications a
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
5.4.2 der » 2.4.2 der, 4.4.2 der, 3.4.2 der
der u.s » over u.s, year u.s
pt de » et de, pt d, pt e

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 5.4.2 der u.s communications pt de developpement en afrique.*.