Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
information 1.2.2 » information 12.2.2, information 1.5.2, information 2.2.2
des developpement » des developpements, de developpement, le developpement
communications 1 » communications 14, communications _, communications a
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
1.2.2 der » 3.2.2 der, 4.2.2 der, 2.2.2 der
der u.s » over u.s, year u.s
1 des » 1 das, 1 der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2.2 der u.s communications 1 des developpement en afrique.*.