Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
et developpements » et developpement, des developpements, en developpement
communications 1 » communications 14, communications _, communications a
developpements l » developpements de, developpement il, developpement la
technologies 2 » technologies _, technologies 4
l afrique » en afrique
4.2 der » 2.2 der, 3.2 der
der u.s » over u.s, year u.s
1 et » 12 et, 13 et, 1 net

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 4.2 der u.s communications 1 et developpements l afrique.*.