Perhaps you should try some spelling variations:
wang liang » wang yang
wang kang » wang yang, wang yan, wang yong
ying yang » yang yang, yin yang, ying chang
yuan hui » yuan fei, jaan hui, tuan hua
hui ying » huei ying, hoi ying, hui ping
li dang » le dang, li wang, li zhang
li gang » liu gang, ii gang, i 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 kang) or (wang liang)) yuan hui ying yang ((li dang) OR (li gang)) (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang kang) OR (wang liang)) yuan hui ying yang ((li dang) OR (li gang)) (hai OR hadi) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang kang) or (wang liang)) yuan hui ying yang ((li dang) OR (li gang)) (hai or hadi) ;".
• Adding a wildcard symbol may retrieve word variants: ((wang kang) or (wang liang)) yuan hui ying yang ((li dang) OR (li gang)) (hai or hadi) ;*.