Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology robot » technology report, technology role, technology road
robot simulation » debt simulation, orbit simulation, post simulation
simulation wage » simulation stage, simulation change, simulation based
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
wage rate » wage rates
l afrique » en afrique
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 robot simulation wage rate data communications costs a developpement l afrique.*.