Perhaps you should try some spelling variations:
jeong hyeok » jeong dahyeon
minh jeong » min jeong, minh cong
dong yuan » dong hua, dong nan, dong yang
gene sang » gene bank
don juan » von juan, san juan, de juan
wang hai » dang hai, wang hui, shang hai
lee sang » lee ann

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) or (don juan)) wang hai ((gene sang) OR (lee sang)) minh jeong hyeok ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yuan) OR (don juan)) wang hai ((gene sang) OR (lee sang)) minh jeong hyeok ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yuan) or (don juan)) wang hai ((gene sang) OR (lee sang)) minh jeong hyeok ;*".