Perhaps you should try some spelling variations:
minh congo » minh cong, bind congo
kang minh » kang minah, sang minh, anh minh
congo shu » cong shu
wan yan » nan yan, wai yan, wang yang
yang li » yang lin, yang di, yang yi
yang xi » yang di, yang yi, yang jui
l kang » _ kang, l king

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) OR (wang yan)) ((yang li) or (yang xi)) l kang minh congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (wang yan)) ((yang li) OR (yang xi)) l kang minh congo shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (wang yan)) ((yang li) or (yang xi)) l kang minh congo shu ;*".