Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yang wang » yang yang, yang guang, yang liang
ping pain » ping lin
yan wang » yuan wang, yang yang, qian wang
yan guan » gan guan, yan yuan, yang guang
hui ping » hui ying, chui ling, hui sin
tan hua » tuan hua, wang hua, tan chia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang wang) OR (yan wang))) or (yan guan)) ((tan hua) or (tuan china)) hui ping pain long run ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang wang) OR (yan wang))) OR (yan guan)) ((tan hua) OR (tuan china)) hui ping pain long run ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang wang) OR (yan wang))) or (yan guan)) ((tan hua) or (tuan china)) hui ping pain long run ;*".