Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
developing china » developing china's, development china, developing caring
technology 1 » technology _
3 developing » 3 development
china africa » cpia africa, china asia
law debate » law debates, a debate, war debate
debate 1.3 » debate 15.3, debates 1.3, debate 8.3
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 debate 1.3 communication costs 3 developing china africa.*.