Perhaps you should try some spelling variations:
3.4.1 communication » 3.4.2 communication, 3.4.4 communication, 9.4.1 communication
technology change » technological change, technological changes
change simulation » change simulations, channel simulation, change population
simulation rates » simulation states, simulation cases, simulations notes
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
rates a » rates _
a 3.4.1 » a 3.1.1, a 3.2.1, a 3.3.1
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: technology change simulation rates a 3.4.1 communication costs a developpement de afrique.*.