Perhaps you should try some spelling variations:
wang chang » huang chang, wang luhang, wang yang
wang liang » wang yang
chen chih » chen chiu, chou chih, wen chih
sang hadi » dang hai, shang hai
chen zhi » chen zhe, chen zhen, chen chiu
den gang » deng gang, der gang, den umgang
gang le » gang der, gang des, wang lei
le sang » lee sang, le dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang chang) or (wang liang)) ((chen chih) OR (chen zhi)) den gang le sang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang chang) OR (wang liang)) ((chen chih) OR (chen zhi)) den gang le sang hadi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang chang) or (wang liang)) ((chen chih) OR (chen zhi)) den gang le sang hadi ;".
• Adding a wildcard symbol may retrieve word variants: ((wang chang) or (wang liang)) ((chen chih) OR (chen zhi)) den gang le sang hadi ;*.