Perhaps you should try some spelling variations:
wang kang » wang yang, wang liang, wang yan
yang yang » wang yang, wang yan
tan ying » fan ying, ran ying, tan yang
han hua » wang hua, tuan hua
tan hua » tuan hua, wang hua, tan chia
li dang » le dang, li gang, li wang
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang kang ((han hua) or (tan hua)) ((yang yang) or (tan ying)) li dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang kang ((han hua) OR (tan hua)) ((yang yang) OR (tan ying)) li dang hai ;.
• Adding a wildcard symbol may retrieve word variants: wang kang ((han hua) or (tan hua)) ((yang yang) or (tan ying)) li dang hai ;*.