Perhaps you should try some spelling variations:
5.1 communication » 4.1 communication, 1.1 communication, 3.1 communication
et developpements » et developpement, des developpements, en developpement
developpements en » developpement en, developpement et, developpements de
simulation state » simulation states, simulation stage, simulation system
technology cost » technology case, technology can, technology choice
cost simulation » post simulation, cross simulation, test simulation
state shares » trade shares, state space, state series
shares 5.1 » shares 9.1, shares 9.10, shares 9.11

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

• Adding a wildcard symbol may retrieve word variants: technology cost simulation state shares 5.1 communication _ et developpements en afrique.*.