Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
dang hadi » dang hai
wang ban » wang yan, wang dan, bang bang
ban yang » dan yang, tan yang, bang bang
jie dang » jie zhang, vie dans, bie dans
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: ((wang yang) or (wang ban)) tan hua ((ban yang) OR (yang yang)) jie dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang ban)) tan hua ((ban yang) OR (yang yang)) jie dang hadi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (wang ban)) tan hua ((ban yang) OR (yang yang)) jie dang hadi ;*".