Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
dan china » can china, han china, dan china's
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
jin song » jie song, john song, kim song
song hai » hong hai, shang hai, dang hai
wang » wing, wan, 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 yanling ((dan china) OR (tuan china)) ((tan yang) OR (tan ying)) jin song hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((dan china) or (tuan china)) ((tan yang) OR (tan ying)) jin song hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling ((dan china) or (tuan china)) ((tan yang) OR (tan ying)) jin song hai ;*.