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 firm » affect firms, effect first, effect from
firm 2.3 » firm 12.3, firma 2.3, firm 2.2

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 firm 2.3 communication costs _ developpement durable afrique.*.