Perhaps you should try some spelling variations:
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
formulation needs » formulation des, information needs, formulation de
ke communication » de communication, une communication, 1 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
needs doing » needs going, needs using, needs closing
l afrique » en afrique
doing ke » doing _, doing a, doing 4
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation needs doing ke communication costs a developpement l afrique.*.