Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
gang minh » kang minah, anh minh, gong min
sang minh » kang minah, anh minh, song 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 wang yang li li ((gang minh) or (sang minh)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang li li ((gang minh) OR (sang minh)) hong shu ;*.