Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology grade » technology trade, technology guides, technology gender
developpement du » developpement de, developpement des, developpement et
grade inflation » price inflation, trade information
4 developpement » de developpement, le developpement, et developpement
rate prices » gate prices, water prices, trade prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
du afrique » en afrique, l afrique, de l'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 grade inflation rate prices 3.2 communication costs 4 developpement du afrique.*.