Perhaps you should try some spelling variations:
jeong yeon » jeong hyeok, jeang yean, seung yeon
wang yuan » wang yuhan, wang yan, fang yuan
yuan wang » yan wang, yuan kang, yuan chang
sang minh » kang minah, anh minh, song min
jeong seo » jeong su
wang hui » wang hua, wang zhi, wang wei
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan wang hui (rene or rent) sang minh ((((jeong seo) OR (jeong yeon))) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang hui (rene OR rent) sang minh ((((jeong seo) OR (jeong yeon))) OR (hong seo)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuan wang hui (rene or rent) sang minh ((((jeong seo) OR (jeong yeon))) or (hong seo)) ;*".