Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement et » developpement des, developpement de, development east
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
rates table » rate table, states table, cases table
et afrique » en afrique, l afrique
table 6.2 » table 3.2, table 4.2, table 5.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rates table 6.2 communication costs 4 developpement et afrique.*.