Perhaps you should try some spelling variations:
11.2.3 communication » 12.2.4 communication, 2.2.3 communication, 10.2.4 communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation tax » inflation rate, inflation _, inflation target
prices 11.2.3 » process 11.2.3, prices 11.3.1, prices 7.2.3
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 gap inflation tax prices 11.2.3 communication costs 4 developpement l afrique.*.