Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
gain yang » dan yang, daun yang, tan yang
bin zhang » binh thang, li zhang, jia zhang
zhang hai » zhang dai, shang hai, zhang han
wing tan » wing ian, liang tan, hong tan
tuan hua » tan hua, tuan vu, yuan hui
yang bin » yang jin, yang lin, huang bin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan ((tuan hua) OR (((than china) OR (can china)))) gain yang bin zhang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wing tan ((tuan hua) or (((than china) or (can china)))) gain yang bin zhang hai ;*.