Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yuan wang » yan wang, yuan kang, yuan chang
yan guan » gan guan, yan yuan, yang guang
yuan hui » yuan fei, jaan hui, tuan hua
pei yang » wei yang, hui yang, pei yun
di long » i long, ii long, day long
de long » le long, de longue

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) OR (yan guan)) ((yuan hui) OR (than china)) pei yang ((di long) OR (de long)) do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yan guan)) ((yuan hui) or (than china)) pei yang ((di long) OR (de long)) do ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yan guan)) ((yuan hui) or (than china)) pei yang ((di long) OR (de long)) do ;*.