Perhaps you should try some spelling variations:
2.3.1.2 communication » 2.3.1.1 communication, 2.2.5.4 communication, 3.2.3.2 communication
information gross » information across, information loss, information goods
le developpement » de developpement, sme development
developpement la » developpement de, developpement et, developpement du
10 information » 1 information, 2 information, 3 information
technology 10 » technology 110, technology 1, technology 11
fig 2.3.1.2 » fig 2.3.1.3, fig 2.3.1.4, fig 2.3.1.5
la afrique » l afrique, la fabrique, en afrique
costs le » 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 10 information gross fig 2.3.1.2 communication costs le developpement la afrique.*.