Perhaps you should try some spelling variations:
19f communication » 19 communication, 1 communication, 10 communication
technology than » technology tax, technology trap, technology change
development lie » development life, development li, development lid
than selection » chain selection, plan selection, taxon selection
selection data » collection data, selection a
4 development » 2 development, 4 developing
lie afrique » l afrique
data based » data used
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology than selection data based 19f communication costs 4 development lie afrique.*.