Perhaps you should try some spelling variations:
xuan thang » yuan chang, xiulan zhang
wang xuan » wang xiuyan, wang xueman, wang yuhan
zhang lai » zhang dai, zhang lei, zhang fan
zhang li » zhang lei, zhang lin, zhang i
thang 1 » anhang 1, thang vo
1 china » 2 china, 4 china, 3 china
chung h » chung _, chung hee, chung chi
chun h » chun _, chun i, chun hui

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: wang xuan thang 1 china ((zhang lai) OR (zhang li)) ((chung h) OR (chun h)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xuan thang 1 china ((zhang lai) OR (zhang li)) ((chung h) or (chun h)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xuan thang 1 china ((zhang lai) OR (zhang li)) ((chung h) or (chun h)) ;*.