Perhaps you should try some spelling variations:
trading volume » trade volume
trading value » trading volumes, creating value, trade value
dong nan » dong yang, dong sin, dong bin
hua bond » a bond, hua ban, un bond
wong sau » wong sam, wong siu, wong shiu
hong yu » wong yue
nan ya » nan yan, nana yaa

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong nan ya hua bond ((trading value) OR (trading volume)) ((wong sau) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong nan ya hua bond ((trading value) OR (trading volume)) ((wong sau) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong nan ya hua bond ((trading value) OR (trading volume)) ((wong sau) or (hong yu)) ;*".