Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
formulation needs » formulation des, information needs, formulation de
gt communication » get communication, et communication, et communicatione
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
needs going » needs doing, needs using, needs closing
l afrique » en afrique
going gt » going gets, going age, going out
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 based formulation needs going gt communication costs a developpement l afrique.*.