Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology seed » technology needs, technology set, technology self
sme development » trade development
development doi » development doing, development does, development d
seed election » seed selection, seed electrons, seed collection
election law » education law, election _
costs sme » costs some, costs amy
law rate » low rate, flow rate, law state
rate 3.5 » rate 3.4, rate 3.6, rate 7.5

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

• Adding a wildcard symbol may retrieve word variants: technology seed election law rate 3.5 communication costs sme development doi afrique.*.