Perhaps you should try some spelling variations:
proceedings l'integration » processus d'integration
ecology proceedings » oncology proceedings, economy proceedings, technology proceedings
l'integration de » reintegration der, integration der, integration des
au developpement » du developpement, de developpement, le developpement
3 communication » 4 communication, de communication, data communication
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
de trade » die trade, e trade, we trade
costs au » costs a, costs amy, costs _
trade 3 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: ecology proceedings l'integration de trade 3 communication costs au developpement l afrique.*.