Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, china han
chin chang » china chang, chain change, colin chang
wang xuan » wang xiuyan, wang xueman, wang yuhan
zhang wei » zhen wei
ha chung » hu chung, lai chung, wai chung
fang ri » fang wei, fang xia
chung h » chun h, chung _, chung hee

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 ((fang ri) OR (zhang wei)) ((chin chang) OR (china zhang)) ha chung h ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xuan ((fang ri) or (zhang wei)) ((chin chang) OR (china zhang)) ha chung h ;~".
• Adding a wildcard symbol may retrieve word variants: wang xuan ((fang ri) or (zhang wei)) ((chin chang) OR (china zhang)) ha chung h ;*.