Perhaps you should try some spelling variations:
2.3.1.1 communication » 2.2.5.4 communication, 3.4.1 communication, 6.2.4.1 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
inflation good » inflation gopi, inflation gerold, inflation gross
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
price 2.3.1.1 » primer 2.3.1.1, prices 2.3.1
good price » goods price, food price, goods prices
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 2.2 inflation good price 2.3.1.1 communication costs a developpement la afrique.*.