Perhaps you should try some spelling variations:
developing china's » development china's, developing asia's, developing africa's
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
information u.s » information und, information use, information 1.2
china's africa » china africa, chinese africa
technology 1 » technology _
u.s debate » u.s senate, 2.1 debate, 3.4 debate
debate 1.1 » debate 17.1, debate 2.1, debate 6.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 1 information u.s debate 1.1 communication costs _ developing china's africa.~.
• Adding a wildcard symbol may retrieve word variants: technology 1 information u.s debate 1.1 communication costs _ developing china's africa.*.