Perhaps you should try some spelling variations:
kang minh » kang minah, anh minh, kan min
sang minh » kang minah, anh minh, song min
wang tan » wang yan, wang ban, wang tao
wang dan » wang yan, wang ban, wang yidan
yang lin » yang jin, wang lin, yang li
hong shu » cong shu, tong shui, wong shiu
lin li » ling li, lin yi, yin li

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang tan) OR (wang dan)) yang lin li ((kang minh) OR (sang minh)) hong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang tan) or (wang dan)) yang lin li ((kang minh) or (sang minh)) hong shu ;*.