Perhaps you should try some spelling variations:
12.11 communication » 1.1 communication, 2.14 communication, 2011 communication
technology trade » technology trends, technology transfer, technology transfers
trade population » create population, france population, age population
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
la afrique » l afrique, la fabrique, en afrique
fig 12.11 » fig 12.1, fig 11.1, fig 12.4
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 trade population p230 fig 12.11 communication costs a developpement la afrique.*.