Perhaps you should try some spelling variations:
wang fang » wang yang, weng fang, wang liang
fang yuan » wang yuhan, wang yan, meng yuan
yuan hui » yuan fei, jaan hui, tuan hua
tan yang » dan yang, tan ying, tan yong
hui tan » hui kian, hui tong, hui yang
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 fang yuan hui tan yang ((li dang) or (li gang)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang fang yuan hui tan yang ((li dang) OR (li gang)) hai ;.
• Adding a wildcard symbol may retrieve word variants: wang fang yuan hui tan yang ((li dang) or (li gang)) hai ;*.