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
wang yang » wang yan, wang liang, wang yanling
bin zhang » binh thang, li zhang, jia zhang
zhang hai » zhang dai, shang hai, zhang han
han hua » tan hua, wang hua, tuan hua

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