Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
sang minh » kang minah, anh minh, song min
tang min » chang min, yang mind, tang li
hong shu » cong shu, tong shui, wong shiu
ying di » yang di, ying jin
di ren » si ren

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

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