Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
sme development » trade development
development doi » development doing, development does, development d
technology vad » technology vi, technology vt, technology video
vad selection » sand selection, ward selection, ud selection
selection law » election law, selection a, selection log
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 vad selection law rate 3.5 communication costs sme development doi afrique.*.