Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology force » technology from, technology firms, technology food
force population » large population, female population, large populations
population share » population size
le developpement » de developpement, sme development
developpement et » developpement des, developpement de, development east
et fabrice » avec fabrice, roth fabrice
costs le » costs _, costs 4, costs a
fig 2.7 » figs 2.7, fig 2.1, fig 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology force population share fig 2.7 communication costs le developpement et fabrice.*.