Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang yong » wang yang, wang hyoung, wang yan
yong than » long thanh, yong phang
wei yang » pei yang, wei wang, wei yang's
hui yang » hui ying, du yang, hui ping
di cong » li cong, jiu cong
h yang » _ yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong than china ((wei yang) or (((hui yang) OR (h yang)))) di cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong than china ((wei yang) OR (((hui yang) OR (h yang)))) di cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong than china ((wei yang) or (((hui yang) OR (h yang)))) di cong shu ;*".