Perhaps you should try some spelling variations:
2.30 communication » 2.3 communication, 2.7 communication, 1.3 communication
technology uses » technology users, technology use, technology used
uses population » user population, u.s population, ties population
population per » population panel, population p230, population area
4 development » 2 development, 4 developing
1 fabrique » la fabrique
fig 2.30 » fig 2.3, fig 2.35, fig 2.39
per fig » per firm
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology uses population per fig 2.30 communication costs 4 development 1 fabrique.*.