Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
communications 2 » communications _, communications a, communications 5
sme development » trade development
technologies 4 » technologies _
development en » developpement en, development menu, development eco
4 information » 2 information, 1 information
2 sme » _ sme, 2 mme, 2 sie

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 4 information ((2 das) OR (1 das)) u.s communications 2 sme development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((2 das) OR (1 das)) u.s communications 2 sme development en afrique.*.