Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.4 communications » 2.4 communication, 5.4 communication, 1.4 communication
developing china » developing china's, development china, developing caring
information los » information loss, information lost, information laws
technology 1 » technology _
3 developing » 3 development
china africa » cpia africa, china asia
los debate » los debates, law debate, u.s debate
debate 2.4 » debate 2.1, debate 1.4, debate 2.2
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 los debate 2.4 communications costs 3 developing china africa.*.