Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
target price » target prices, market price, asset price
price 2.3 » price 3, price 4.4
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 log inflation target price 2.3 communication costs 4 developpement en afrique.*.