Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
line development » mine development, site development, rice development
technology than » technology tax, technology trap, technology change
than inflation » has inflation, than information, huang inflation
inflation data » inflation rate, infection data, inflation das
development li » development lid, development lie, development lin
data scarce » data source, data sparse, data sources
scarce 2.3 » source 2.3, scarce 3
costs line » costs linked, costs land, costs longer
li afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology than inflation data scarce 2.3 communication costs line development li afrique.*.