Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than hong » tan hong, thang long, than one
dong bin » dong di, dann bin
yan than » van thanh, yan zhang, yan clan
hong hai » shang hai, zhong tai, dang hai
hua ren » hua chen
sin » sign, sind, skin

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

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