Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yuan chang » yuan cheng, huang chang, han chang
wang yang » wang liang, wang yanling
yang fan » zhang fan, yang dean, yang yang
fan long » fan along, van long, pain long
long du » long d, long do, long run
h yang » _ yang, hui yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan chang) or (((wang yang) OR (wang yan)))) ((wang hua) or (than china)) h yang fan long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan chang) OR (((wang yang) OR (wang yan)))) ((wang hua) OR (than china)) h yang fan long du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan chang) or (((wang yang) OR (wang yan)))) ((wang hua) or (than china)) h yang fan long du ;*".