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
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid 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 2 » costs 20, 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 gap inflation wages race 3.2 communication costs 2 development lie afrique.*.