Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
information 2.2.2 » information 12.2.2, information 2.3.2, information 3.2.2
communications a » communications _, communications law, communications media
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
2.2.2 der » 3.2.2 der, 4.2.2 der, 2.2.1 der
der u.s » over u.s, year u.s
a de » a die, a 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 2.2.2 der u.s communications a de developpement en afrique.*.