Perhaps you should try some spelling variations:
2.3.1.2 communication » 2.3.1.1 communication, 2.2.5.4 communication, 3.2.3.2 communication
et developpement » de developpement, le developpement, test development
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 pt » population per, population _, population 1
fig 2.3.1.2 » fig 2.3.1.3, fig 2.3.1.4, fig 2.3.1.5
la fabrice » la fabrique, la matrice, la farce
costs et » costs _, costs 4, costs a
pt fig » pity fig

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

• Adding a wildcard symbol may retrieve word variants: technology trap population pt fig 2.3.1.2 communication costs et developpement la fabrice.*.