Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
dan yang » daun yang, tan yang, wang yang
yang jin » yang jie, yang jun, ying jin
jin song » jie song, john song, kim song
song hai » hong hai, shang hai, dang hai
tan hua » tuan hua, wang hua, tan chia
wang » lang

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: ((wang OR wing) OR wan) yanling ((tan hua) OR (tuan china)) dan yang jin song hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang OR wing) or wan) yanling ((tan hua) or (tuan china)) dan yang jin song hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang OR wing) or wan) yanling ((tan hua) or (tuan china)) dan yang jin song hai ;*.