Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
sme development » trade development
development doi » development doing, development does, development d
technology led » technology land, technology law, technology 1
led selection » seed selection, sex selection, de selection
selection law » election law, selection a, selection log
costs sme » costs some, costs amy
law rate » low rate, flow rate, law state
rate 2.3 » rates 2.3, rate 2.4, rate 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology led selection law rate 2.3 communication costs sme development doi afrique.*.