Perhaps you should try some spelling variations:
technology creates » technology increases, technology related, technology centres
creates population » create population, crises population, area population
2.3 communication » 3.2 communication, de communication, 4 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
population per » population panel, population p230, population area
per fig » per firm
fig 2.3 » fig 12.3, fig 2.30, fig 2.35
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 creates population per fig 2.3 communication costs 4 developpement de l'afrique.*.