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
technology 2.2 » technology _, technology 1, technology 3
development li » development lid, development lie, development lin
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
wages trade » wages race, wharves trade, states trade
li afrique » l afrique, en afrique
trade 3.2 » trade 2.2, trade 2, trade 4.1

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 trade 3.2 communication costs _ development li afrique.*.