Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang qian » wang qiao, wang qin, wang liang
tang minh » kang minah, tuan minh, anh minh
sang minh » kang minah, anh minh, song ming
tang min » chang min, yang mind, tang li
song min » song ming, gong min, jong min
long shu » cong shu, tong shui, long du
qian hu » qian jun

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 qian hu rene ((((tang minh) OR (tang min))) OR (((sang minh) OR (song min)))) long shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang qian hu rene ((((tang minh) OR (tang min))) or (((sang minh) or (song min)))) long shu ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang qian hu rene ((((tang minh) OR (tang min))) or (((sang minh) or (song min)))) long shu ;*.