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
long shu » cong shu, tong shui, long du
yang li » yang lin, yang di, yang xi
li yi » lin yi, li li, lu yi

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 yi ((gang minh) or (sang minh)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang li yi ((gang minh) OR (sang minh)) long shu ;*.