Perhaps you should try some spelling variations:
3.4.1 communication » 3.4.2 communication, 3.4.4 communication, 9.4.1 communication
developpement la » developpement de, developpement et, developpement du
technology than » technology tax, technology trap, technology change
than population » change population, orphan population, urban population
population area » population age, population africa, population share
a developpement » au developpement, de developpement, le developpement
la fabrice » la fabrique, la matrice, la farce
fig 3.4.1 » fig 4.1, fig 3.1, fig 3.11
area fig » area cir
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 than population area fig 3.4.1 communication costs a developpement la fabrice.*.