Perhaps you should try some spelling variations:
china zhang » cheng zhang, chin chang, china han
china chang » chin chang, china changqi, china china
hai phong » bai chong, kai hong
wai hoong » kai hong
yao yang » yang yang
yang chi » yang chik, wang chi, yang di
wan yao » wang yan, yang yao, gang yao

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yao yang chi ((china chang) OR (china zhang)) ((hai phong) or (wai hoong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yao yang chi ((china chang) OR (china zhang)) ((hai phong) OR (wai hoong)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yao yang chi ((china chang) OR (china zhang)) ((hai phong) or (wai hoong)) shu ;*".