Perhaps you should try some spelling variations:
dong sign » dong sin, among sign
dong bin » dong sin, dong di, dann bin
hua when » hua chen, hua wei, hua ren
min hong » amin hong, tin hong, min hyoung
hong hai » shang hai, zhong tai, dang hai
can min » can men, can mfn, han min
a when » 3 when, 4 when, 1 when

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong bin) or (dong sign)) ya ((hua when) or (a when)) can min hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong sign)) ya ((hua when) OR (a when)) can min hong hai ;.
• Adding a wildcard symbol may retrieve word variants: ((dong bin) or (dong sign)) ya ((hua when) or (a when)) can min hong hai ;*.