Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation wages » inflation rates, inflation taxes, inflation targets
development lie » development life, development li, development lid
20 development » 2 development, 2015 development, 2007 development
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
lie afrique » l afrique
wages race » wages trade, wage rate, wages case
race 3.2 » race 3.7, race 4.2, rice 3.2
costs 20 » costs 60, costs 2.3, costs 2.1

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation wages race 3.2 communication costs 20 development lie afrique.*.