Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
le developpement » de developpement, sme development
developpement la » developpement de, developpement et, developpement du
technology age » technology usage, technology wages, technology a
la afrique » l afrique, la fabrique, en afrique
costs le » costs _, costs 4, costs a
fig 2.5 » fig 12.5, fig 2.15, fig 2.35

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

• Adding a wildcard symbol may retrieve word variants: technology age population p230 fig 2.5 communication costs le developpement la afrique.*.