Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
dong sink » dong sin, dong bin, dong ping
dong nan » dong sin, dong bin, dong cao
hua chen » jui chen, yu chen, a chen
chen yan » chen yang, chen tan, chen yun
tan cong » tan hong, tan kong, yan cong
yan tan » tan tan, yan clan, yan guan

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) OR (dong yang))) or (dong sink)) ya hua chen yan tan cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong nan) OR (dong yang))) OR (dong sink)) ya hua chen yan tan cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong nan) OR (dong yang))) or (dong sink)) ya hua chen yan tan cong shu ;*".