Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
wages race » wages trade, wage rate, wages case
l afrique » en afrique
race 2.3 » race 8.3, france 2.3, space 2.3
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 2.2 inflation wages race 2.3 communication costs 4 developpement l afrique.*.