Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, china han
chin chang » china chang, chain change, colin chang
lung can » hung cam
yang jui » yang judy, yang di, yang yi
wang hui » wang hua, wang zhi, wang he
wang wei » zhang wei, wang zhi
yang xi » yang di, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: lung can ((chin chang) or (china zhang)) ha ((yang xi) or (yang jui)) ((wang hui) OR (wang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lung can ((chin chang) OR (china zhang)) ha ((yang xi) OR (yang jui)) ((wang hui) OR (wang wei)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lung can ((chin chang) or (china zhang)) ha ((yang xi) or (yang jui)) ((wang hui) OR (wang wei)) ;*".