Perhaps you should try some spelling variations:
integration wants » integration points, integration wage, integration what
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
wants trade » wages trade, patents trade, brands trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration wants trade 6.2 communication costs 4 developpement en afrique.*.