Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
technology 2.3.1 » technology 6.3.1, technology 2.1.1, technology 2.3.2
developpement de » developpement des, developpement durable
2.3.1 inflation » 2.2.4 inflation, 2.3 inflation, 3.3.3 inflation
a developpement » au developpement, de developpement, le developpement
inflation bond » inflation und, inflation boys, inflation good
price 2.2.3 » price 5.2.3, prices 2.2.2, prices 7.2.3
bond price » bond prices, food price, bid price
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 2.3.1 inflation bond price 2.2.3 communication costs a developpement de afrique.*.