Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
jeong 情 » jeong _, jeongui 情, jeong mi
wang nan » wang yan, wang ban, wang dan
hua chen » jui chen, a chen, hua ren
ying jin » yang jin, yang jie
nan yan » nan ya, wang yan, qian yan
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang nan yan ((hua chen) OR (yu chen)) ((sang minh) or (((ying jin) or (jing ji)))) jeong 情 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang nan yan ((hua chen) OR (yu chen)) ((sang minh) OR (((ying jin) OR (jing ji)))) jeong 情 ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang nan yan ((hua chen) OR (yu chen)) ((sang minh) or (((ying jin) or (jing ji)))) jeong 情 ;".
• Adding a wildcard symbol may retrieve word variants: wang nan yan ((hua chen) OR (yu chen)) ((sang minh) or (((ying jin) or (jing ji)))) jeong 情 ;*.