Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developpement et » developpement des, developpement de, development east
formulation der » formulation des, formulation de, formulation over
3 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
et afrique » en afrique, l afrique
does data » does cat
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation der does data communications costs 3 developpement et afrique.*.