Perhaps you should try some spelling variations:
wang dan » wang ban, wang yidan, wang yang
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin
yin yang » ying yang, yi yang, yin fang
tan yang » dan yang, tan ying, tan yong
gang hai » dang hai, shang hai, eang hay
yi gang » ii gang, i gang, li gang

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

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