Perhaps you should try some spelling variations:
technology nations » technology options, technology relations, technology emotions
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
developpement et » developpement des, developpement de, development east
4 developpement » de developpement, le developpement, et developpement
population per » population panel, population p230, population area
et fabrique » la fabrique
fig 2.14 » fig 2.1, fig 2.4, fig 2.15
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 nations population per fig 2.14 communication costs 4 developpement et fabrique.*.