Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
sang minh » anh minh, song min, tang min
song ming » song bing, song min, gong min
wang qin » wang lin, wang qiao, wang jing
hu irene » _ irene
long shu » cong shu, tong shui, long du
qin hu » qian hu, qin hui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang qin hu irene ((kang minah) OR (((sang minh) OR (song ming)))) long shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang qin hu irene ((kang minah) or (((sang minh) OR (song ming)))) long shu ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang qin hu irene ((kang minah) or (((sang minh) OR (song ming)))) long shu ;*.