Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
inflation causes » inflation crises, inflation rates, inflation taxes
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
technology 2.3 » technology 2.2, technology 2.1, technology 3.3
2.3 inflation » 2.3.1 inflation, 5.33 inflation, 2 inflation
causes prices » cause price, wages prices
prices 6.2 » prices 3.2, prices 4.2, prices 5.2
la afrique » l afrique, la fabrique, 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 2.3 inflation causes prices 6.2 communication costs 4 developpement la afrique.*.