Perhaps you should try some spelling variations:
dang cuong » quang cuong
ping wang » ping pong, hong wang
qian wang » yiqian wang, qian rong, qian yan
dang hung » fung hung, ming hung, van hung
wing yan » wang yan, wing ian, wing tan
yan can » yan clan, man can, yan cong
can sub » can spur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan can sub ((qian wang) or (ping wang)) ((dang cuong) or (dang hung)) yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan can sub ((qian wang) OR (ping wang)) ((dang cuong) OR (dang hung)) yun ;.
• Adding a wildcard symbol may retrieve word variants: wing yan can sub ((qian wang) or (ping wang)) ((dang cuong) or (dang hung)) yun ;*.