Perhaps you should try some spelling variations:
13.4.5 communication » 10.4.3 communication, 11.4.1 communication, 12.4.4 communication
developpement en » developpement et, developpement des, developpement de
technology trap » technology trade, technology tax, technology than
trap population » rural population, rapid population, boar population
a developpement » au developpement, de developpement, le developpement
population per » population panel, population p230, population area
per fig » per firm
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 per fig 13.4.5 communication costs a developpement en france.*.