Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
tuan china » wuhan china, can china, taiwan china
qian wang » yiqian wang, qian rong, yan wang
china ren » china loren, china real, china reza
yong shiu » wong shiu, cong shu, song shin
qian yan » qian jun, qian yi
tan yong » tan hong, tan kong, tan yang

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: ((((qian wang) OR (qian yan))) OR (yuan cheng)) tuan china ren (yan OR yang) tan yong shiu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((qian wang) OR (qian yan))) or (yuan cheng)) tuan china ren (yan or yang) tan yong shiu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((qian wang) OR (qian yan))) or (yuan cheng)) tuan china ren (yan or yang) tan yong shiu ;*.