Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
wang ryan » wang yan, wang yang, wang ban
tuan hua » tuan vu, yuan hui
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin
jin dang » jin kang, jin chang, jing fang
tan hua » wang hua, tan chia, tan puay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang ryan)) ((tuan hua) OR (tan hua)) tan yang jin dang (hai or haji) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang ryan)) ((tuan hua) OR (tan hua)) tan yang jin dang (hai OR haji) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (wang ryan)) ((tuan hua) OR (tan hua)) tan yang jin dang (hai or haji) ;*".