Perhaps you should try some spelling variations:
15 communication » 5 communication, 1 communication, 10 communication
technology work » technology week, technology network, technology working
existing effect » mediating effect, testing effect
sme development » trade development
work existing » pre existing, co existing, do existing
development l » development li, development 1, development law
effect from » effects from, expect from, effect firm
costs sme » costs some, costs amy
l afrique » en afrique
from 15 » from 10

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

• Adding a wildcard symbol may retrieve word variants: technology work existing effect from 15 communication costs sme development l afrique.*.