Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
minh gong » minh cong, min hong, ming kong
yang jui » yang judy, yang di, yang xi
gong hui » tong hui, tong shui, wang hui
yang yi » yang di, yang xi
li sang » le sang, li gang, li san

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((yang yi) or (yang jui)) li sang minh gong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang yi) OR (yang jui)) li sang minh gong hui ;*.