Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technology trade » technology trends, technology transfer, technology transfers
trade innovation » trade information, drive innovation, trade integration
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
innovation age » innovation agro, innovation a, innovation als
de afrique » de l'afrique, en afrique, l afrique
age trade » age grade, wages trade, have trade
trade 1.3 » trade 16.3, trade 4.3, trade 5.3
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 innovation age trade 1.3 communication costs 4 developpement de afrique.*.