Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
minh congo » minh cong, bind congo
sang minh » kang minah, anh minh, song min
congo shu » cong shu
yang li » yang lin, yang di, yang yi
yang xi » yang di, yang yi, yang jui
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: lang yanling ((yang li) or (yang xi)) li sang minh congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yanling ((yang li) OR (yang xi)) li sang minh congo shu ;.
• Adding a wildcard symbol may retrieve word variants: lang yanling ((yang li) or (yang xi)) li sang minh congo shu ;*.