Perhaps you should try some spelling variations:
2.15 communication » 2.14 communication, 2.5 communication, 2.3 communication
technology trends » technology thesis, technology trade, technology tools
trends population » ties population, texas population, extremes population
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
fig 2.15 » fig 2.1, fig 2.35, fig 12.11
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trends population p230 fig 2.15 communication costs et developpement la afrique.*.