Perhaps you should try some spelling variations:
dong yuan » don juan, dong hua, dong nan
yuan ting » yuan ming, huang ting, yuan kang
sang minh » kang minah, anh minh, song ming
cong yeon » dong myeon, jeong yeon
ting hai » dang hai, hong hai, king has
hai gene » a gene, a1 gene, hai ren
song min » song ming, gong min, jong min

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 ting hai gene ((sang minh) OR (song min)) cong yeon ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yuan ting hai gene ((sang minh) OR (song min)) cong yeon ;*".