Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology iii » technology ii, technology ieit, technology ict
inflation good » inflation gopi, inflation gerold, inflation gross
iii inflation » die inflation, bei inflation, aid inflation
good prices » goods prices, food prices, gold prices
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
de afrique » de l'afrique, en afrique, l 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 iii inflation good prices 2.1 communication costs a developpement de afrique.*.