Perhaps you should try some spelling variations:
technological channel » technological change, technological changes, technological choice
channel simulation » change simulation, change simulations, channel modulation
14 communications » 10 communications, 14 communication, 4 communications
simulation state » simulation states, simulation stage, simulation system
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
state trade » states trade, states traded, slave trade
l afrique » en afrique
trade 14 » trade 4, trade 1, trade 2014

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

• Adding a wildcard symbol may retrieve word variants: technological channel simulation state trade 14 communications _ a developpement l afrique.*.