Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song ming
wang dan » wang yan, wang ban, wang yidan
dan yang » daun yang, tan yang, wang yang
song min » song ming, gong min, jong min
hong shu » cong shu, tong shui, wong shiu
yang li » yang lin, yang di, yang xi
li li » li lin, li l, li lu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dan yang li li ((song min) or (sang minh)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dan yang li li ((song min) OR (sang minh)) hong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang dan yang li li ((song min) or (sang minh)) hong shu ;*.