Perhaps you should try some spelling variations:
2.2.5.7 communication » 2.2.5.4 communication, 2.2.3 communication, 2.3.1.1 communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology age » technology usage, technology wages, technology a
prices 2.2.5.7 » prices 2.2.2, prices 2.3.5
age inflation » wage inflation, wages inflation, area inflation
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
l afrique » en afrique
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 age inflation tax prices 2.2.5.7 communication costs 4 developpement l afrique.*.