Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
formulacion whom » formulation where, formulacion de
10 communication » 1 communication, de communication, 3 communication
d2 developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication r » communication 3, communication 1, communication 2
r d2 » r d, r r2

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulacion whom does 10 communication r d2 developpement en afrique.*.