Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information have » information how, information harness, transformation have
technologie erp » technologie amp, technologie der, technologie e.v
erp information » crop information, amp information, psp information
developpement l » developpement il, developpement la, developpement de
have trade » slave trade, have made
trade 4.1 » trade 2.2, trade 3.2
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologie erp information have trade 4.1 communication costs _ developpement l afrique.*.