Perhaps you should try some spelling variations:
technology choice » technology change
choice population » force population, change population, whose population
population based » population age, simulation based, population data
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
based face » biased face, based facade, based facies
costs de » costs _, costs 4, costs a
face 3 » face _, face a, face 2

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

• Adding a wildcard symbol may retrieve word variants: technology choice population based face 3 communication costs de developpement en afrique.*.