Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
dang hadi » dang hai
wang dan » wang yan, wang ban, wang yidan
tuan hua » tuan vu, yuan hui
ban yang » dan yang, tan yang, bang bang
jie dang » jie zhang, vie dans, bie dans
tan hua » wang hua, tan chia, tan puay

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: ((yang yang) OR (wang dan)) ((tan hua) OR (tuan hua)) ((ban yang) OR (wang yang)) jie dang hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (wang dan)) ((tan hua) or (tuan hua)) ((ban yang) OR (wang yang)) jie dang hadi ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang dan)) ((tan hua) or (tuan hua)) ((ban yang) OR (wang yang)) jie dang hadi ;*.