Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song ming
tang min » chang min, yang mind, tang li
song min » song ming, gong min, jong min
hong shu » cong shu, tong shui, wong shiu
yan yan » yan yuan, nan yan, yang yang
yan si » yan zi
wang » wing, wan, lang

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

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