Perhaps you should try some spelling variations:
wang deng » wang peng, wang zheng, wang yong
wang yang » wang yan, wang liang, wang yanling
zwang zum » zwang zur, zugang zum
zum gang » zum umgang
gang yan » wang yan, gang yao, zhang yan
ii chang » vii chang, yi chang, ii changes
yi gang » ii gang, i gang, li gang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang deng) OR (wang yang)) zwang zum gang yan ((yi gang) or (ii chang)) (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang deng) OR (wang yang)) zwang zum gang yan ((yi gang) OR (ii chang)) (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang deng) OR (wang yang)) zwang zum gang yan ((yi gang) or (ii chang)) (hai or hadi) ;*".