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
development lid » development led, development li, development lie
technology tax » technology than, technology trap, technology tpm
inflation data » inflation rate, infection data, inflation das
tax inflation » taxes inflation, has inflation, tax information
lid afrique » l afrique
sparse 2.3 » sparse 2.5, space 2.3
costs line » costs linked, costs land, costs longer

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

• Adding a wildcard symbol may retrieve word variants: technology tax inflation data sparse 2.3 communication costs line development lid afrique.*.