Perhaps you should try some spelling variations:
integration wages » integration wage, integration wege, integration wie
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology trade » technology trends, technology transfer, technology transfers
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
wages rice » wages race, wages prices, wage price
l afrique » en afrique
rice 2.7 » rice 2.1, rice 2.5, rice 2.6
costs e » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration wages rice 2.7 communication costs e developpement l afrique.*.