Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology world » technology work, technological world, technology working
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
population pt » population per, population _, population 1
la france » en france, de france
costs de » costs _, costs 4, costs a
fig 2.7 » figs 2.7, fig 2.1, fig 2.2
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 world population pt fig 2.7 communication costs de developpement la france.*.