Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
5.4 communications » 5.4 communication, 1.4 communication, 14 communications
developing china's » development china's, developing asia's, developing africa's
china's africa » china africa, chinese africa
technology 1 » technology _
3 developing » 3 development
law debates » law debate, los debates, new debates
debates 5.4 » debates 10.4, debate 1.4, debate 2.4
costs 3 » 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 1 information law debates 5.4 communications costs 3 developing china's africa.*.