Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
inflation tax » inflation rate, inflation _, inflation target
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
tax prices » gas prices, car prices, tax practices
l afrique » 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 4ir inflation tax prices 2.3.4 communication costs a developpement l afrique.*.