Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
communication case » communications case, communication based, communication phase
inflation target » inflation targeting, inflation rate, inflation rates
d1 developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
target prices » target price, market prices, asset prices
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
case d1 » case 1, case d, case 11

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

• Adding a wildcard symbol may retrieve word variants: technology use inflation target prices 2.3.1 communication case d1 developpement en afrique.*.