Perhaps you should try some spelling variations:
xiulan zhang » xiliang zhang, xiao zhang
china zhang » china chang, cheng zhang, chin chang
xuan thang » yuan chang
zhang lai » zhang dai, zhang lei, zhang li
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) OR (xiulan zhang)) 1 china zhang lai ((chung h) OR (chun h)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((xuan thang) OR (xiulan zhang)) 1 china zhang lai ((chung h) or (chun h)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((xuan thang) OR (xiulan zhang)) 1 china zhang lai ((chung h) or (chun h)) ;*.