Perhaps you should try some spelling variations:
integration states » integration strategy, integration systems, integration system
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
developing e » developing _, developing a, developing east
e afrique » en afrique, l afrique, de l'afrique
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration states case 3.2 communication costs _ developing e afrique.*.