Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan jing » bian jing
gain yang » dan yang, daun yang, tan yang
tan yong » tan hong, tan kong, tan yang
yang hui » yang jui, yang muxi, zhang hui
wang hui » wang hua, wang zhi, wang wei
jing ji » ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan jing ji ((gain yang) or (tan yong)) yi ((yang hui) OR (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan jing ji ((gain yang) OR (tan yong)) yi ((yang hui) OR (wang hui)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan jing ji ((gain yang) or (tan yong)) yi ((yang hui) OR (wang hui)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yidan jing ji ((gain yang) or (tan yong)) yi ((yang hui) OR (wang hui)) ;*.