Perhaps you should try some spelling variations:
4.5 communication » 3.5 communication, 4.1 communication, 2.5 communication
existing effect » mediating effect, testing effect
sme development » trade development
technology co » technology cost, technology code, technology can
development l » development li, development 1, development law
co existing » _ existing, 2 existing, 3 existing
effect from » effects from, expect from, effect firm
costs sme » costs some, costs amy
l afrique » en afrique
from 4.5 » from 2.5, from 15, from 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology co existing effect from 4.5 communication costs sme development l afrique.*.