Perhaps you should try some spelling variations:
technology seed » technology needs, technology set, technology self
sme development » trade development
development doi » development doing, development does, development d
seed selection » self 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

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

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