Perhaps you should try some spelling variations:
2.3.5 communication » 2.3 communication, 2.2.3 communication, 2.5 communication
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
technology aid » technology asia, technology a, technology age
aid inflation » rapid inflation, und inflation, die inflation
inflation tax » inflation rate, inflation _, inflation target
prices 2.3.5 » prices 2.3.1, prices 2.3.4, prices 2.3.6
tax prices » gas prices, car prices, tax practices
la afrique » l afrique, la fabrique, en afrique
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology aid inflation tax prices 2.3.5 communication costs du developpement la afrique.*.