Perhaps you should try some spelling variations:
2.3.1.5 communication » 2.3.1.1 communication, 13.4.5 communication, 2.2.5.4 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
technology trap » technology trade, technology tax, technology than
trap inflation » grade inflation, rapid inflation, great inflation
inflation gopi » inflation good, inflation gross, inflation pt
fig 2.3.1.5 » fig 2.3.1.2, fig 2.3.1.3, fig 2.3.1.4
de fabrice » die fabrics, avec fabrice, die fabriken
gopi fig » goal fig
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 trap inflation gopi fig 2.3.1.5 communication costs le developpement de fabrice.*.