Perhaps you should try some spelling variations:
populations target » population target, populations taught, populations age
risk populations » rural populations, urban populations
3 communication » 4 communication, de communication, data communication
target trade » target grade, market trade, target rate
1 afrique » l afrique, en afrique, 1 enrique
trade 3 » trade _, trade a, trade 4
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology risk populations target trade 3 communication costs 2 development 1 afrique.*.