Perhaps you should try some spelling variations:
2.3.1.4 communication » 2.3.1.1 communication, 2.2.5.4 communication, 2.14 communication
developpement der » developpement des, developpement de, developpement et
le developpement » de developpement, sme development
technology trap » technology trade, technology tax, technology than
trap inflation » grade inflation, rapid inflation, great inflation
inflation good » inflation gopi, inflation gerold, inflation gross
fig 2.3.1.4 » fig 2.3.1.2, fig 2.3.1.3, fig 2.3.1.5
good fig » good fit, good fight, good king
costs le » costs _, costs 4, costs a
der face » der farce, der fake, der facher

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

• Adding a wildcard symbol may retrieve word variants: technology trap inflation good fig 2.3.1.4 communication costs le developpement der face.*.