Perhaps you should try some spelling variations:
2.3.1.4 communication » 2.3.1.1 communication, 2.2.5.4 communication, 2.14 communication
developpement la » developpement de, developpement et, developpement du
technology trap » technology trade, technology tax, technology than
trap population » rural population, rapid population, boar population
population situ » population size, population shifts, population status
a developpement » au developpement, de developpement, le developpement
fig 2.3.1.4 » fig 2.3.1.2, fig 2.3.1.3, fig 2.3.1.5
situ fig » sites fig, situ ring
la farce » la force, la face, la france
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 trap population situ fig 2.3.1.4 communication costs a developpement la farce.*.