Perhaps you should try some spelling variations:
wang yidan » wang yan
ying chang » jin chang, yi chang, yin hang
wang dan » wang yan, wang ban, wang yang
yao yang » yang yang
ying jin » jing ji, yang jie
yang jin » yang jie, yang jun, shang jin
yang hui » yang jui, wang hui, yang muxi
yi yang » yin yang, yi gang, yu yang

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 yidan)) ((yang jin) or (ying jin)) ((ying chang) or (yao yang)) yi yang hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dan) OR (wang yidan)) ((yang jin) OR (ying jin)) ((ying chang) OR (yao yang)) yi yang hui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang dan) OR (wang yidan)) ((yang jin) or (ying jin)) ((ying chang) or (yao yang)) yi yang hui ;".
• Adding a wildcard symbol may retrieve word variants: ((wang dan) OR (wang yidan)) ((yang jin) or (ying jin)) ((ying chang) or (yao yang)) yi yang hui ;*.