Perhaps you should try some spelling variations:
developpement durable » developpement de
2.3 communication » 3.2 communication, de communication, 4 communication
existing effect » mediating effect, testing effect
technology co » technology cost, technology code, technology can
co existing » _ existing, 2 existing, 3 existing
effect from » effects from, expect from, effect firm
from 2.3 » from 2003, from 20, from 25

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 2.3 communication costs _ developpement durable afrique.*.