Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
dang hadi » dang hai
wang dan » wang yan, wang ban, wang yidan
tuan hua » tuan vu, yuan hui
tan chia » tuan china, than china, can china
ban yang » dan yang, tan yang, wang yang
tan hua » wang hua, tan puay
yang du » yang di, yang d, yang mu
du dang » duc dang, du yang, du sang

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 dan)) ((((tan hua) OR (tuan hua))) or (tan chia)) ban yang du dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang dan)) ((((tan hua) OR (tuan hua))) OR (tan chia)) ban yang du 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))) or (tan chia)) ban yang du dang hadi ;*".