Perhaps you should try some spelling variations:
jeong hyeok » jeong dahyeon
jeang yean » jeong yeon
meng yuan » meng hsuan, fang yuan
sang minh » kang minah, anh minh, song min
wang hai » dang hai, wang hui, shang hai
ren sang » lee sang, le sang, ren weng
feng » eng, fang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((meng yuan) OR (feng juan)) wang hai ren sang minh ((jeong hyeok) or (jeang yean)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((meng yuan) OR (feng juan)) wang hai ren sang minh ((jeong hyeok) OR (jeang yean)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((meng yuan) OR (feng juan)) wang hai ren sang minh ((jeong hyeok) or (jeang yean)) ;*".