Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rate communications » data communications, face communications, wave communications
d3 developpement » de developpement, du developpement, le developpement
developpement la » developpement de, developpement et, developpement du
technologies 4 » technologies _
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
la afrique » l afrique, la fabrique, en afrique
des pass » des pays, der pass, des pais
costs d3 » costs 3, costs 2.3, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des pass rate communications costs d3 developpement la afrique.*.