Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
inflation gross » inflation across, inflation process, information gross
a developpement » au developpement, de developpement, le developpement
technology 2 » technology _, technology 1, technology 3
2 inflation » 12 inflation, _ inflation, 6 inflation
gross price » cross price, goods price
price 2.2.3 » price 5.2.3, prices 2.2.2, prices 7.2.3
de afrique » de l'afrique, en afrique, l 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 2 inflation gross price 2.2.3 communication costs a developpement de afrique.*.