Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
des developpement » des developpements, de developpement, le developpement
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
formulacion who » formulacion de, formulation where
gets de » kets de, ets de, gets me

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulacion who gets de communication _ des developpement en afrique.*.