Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yan wang » yuan wang, yang yang, qian wang
yan guan » gan guan, yan yuan, yang guang
yuan hui » yuan fei, jaan hui, tuan hua
hui yang » hui ying, du yang, hui ping
long do » long d, long du, longer do
h yang » _ yang
i long » a long, 2 long, 3 long

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