Perhaps you should try some spelling variations:
6.3.2 communication » 3.3.2 communication, 6.2 communication, 3.4.2 communication
inflation levels » inflation rates, education levels, pollution levels
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
technology 11 » technology 1.1, technology 110, technology 171
11 inflation » 10 inflation, 12 inflation, _ inflation
levels price » level price, levels prfs, levels wide
price 6.3.2 » prices 3.3.2, prices 4.3.2, price 3.2
la afrique » l afrique, la fabrique, en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 11 inflation levels price 6.3.2 communication costs a developpement la afrique.*.