Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
trade development » software development
communications 4 » communications 14, communications _, communications a
technologies 4 » technologies _
4 information » 2 information, 1 information
information 3 » information 2
1 afrique » l afrique, en afrique, 1 enrique
des u.s » des us, der u.s
4 trade » 1 trade
3 des » 3 der, 3 das, 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 3 des u.s communications 4 trade development 1 afrique.*.