Perhaps you should try some spelling variations:
gang wong » gang gong, gang sung
yan guan » gan guan, yan yuan, yang guang
wong siu » wong shiu, kong siu, wong sau
dong di » dong sin
nan yan » nan ya, qian yan, dan yang
ping ku » ping ke, ping yu
ku gang » xu gang, yu gang, zum gang
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (dong di)) ((nan yan) or (yan guan)) ping ku gang wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (dong di)) ((nan yan) OR (yan guan)) ping ku gang wong siu ;*.