Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang jing
wang yong » wang hyoung, wang yan, wang shiyong
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
li sang » le sang, li gang, li san
yan di » yang di, pan di, yan zi
di li » li li

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) or (((wang yong) OR (wang yang)))) yan di li sang minh (cong or long) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (((wang yong) OR (wang yang)))) yan di li sang minh (cong OR long) shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (((wang yong) OR (wang yang)))) yan di li sang minh (cong or long) shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (((wang yong) OR (wang yang)))) yan di li sang minh (cong or long) shu ;*.