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
developpement de » developpement des, developpement durable
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
inflation pt » inflation _, inflation a, inflation 1
fig 2.3.1.2 » fig 2.3.1.3, fig 2.3.1.4, fig 2.3.1.5
de farce » der farce, de arce, de force
costs 4 » costs _, costs a, costs 4.2
pt fig » pity fig

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation pt fig 2.3.1.2 communication costs 4 developpement de farce.*.