Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
a developpement » au developpement, de developpement, le developpement
rate inflation » grade inflation, wage inflation, age inflation
rate prices » gate prices, water prices, trade prices
prices 6.2 » prices 3.2, prices 4.2, prices 5.2
la afrique » l afrique, la fabrique, en 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 rate inflation rate prices 6.2 communication costs a developpement la afrique.*.