Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
liang tan » liang dan, liang sun, wing tan
gain yang » dan yang, daun yang, tan yang
jie zhang » jia zhang, li zhang, bin zhang
zhang hai » zhang dai, shang hai, zhang han
yang jie » yang jin, yang di, yang jui

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: liang tan ((wang hua) OR (than china)) gain yang jie zhang hai ;~.
• Adding a wildcard symbol may retrieve word variants: liang tan ((wang hua) or (than china)) gain yang jie zhang hai ;*.