Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
dang hadi » dang hai
yuan kai » yuan kang, yuan fei, yuan hui
yang jin » yang jie, yang jun, ying jin
jin dang » jin kang, jin chang, jing fang
tan kai » tan kah

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

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