Perhaps you should try some spelling variations:
dong yuan » don juan, dong hua, dong nan
yuan wang » yan wang, yuan kang, yuan chang
qui regne » du regne, qui reste
sang minh » kang minah, anh minh, song min
jeong seo » jeong yeon, hong seo, jeong su
wang qui » wang hui, wang hua, wang zhi
tang min » chang min, yang mind, tang li

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yuan wang qui regne ((sang minh) or (tang min)) jeong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yuan wang qui regne ((sang minh) OR (tang min)) jeong seo ;*.