Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan wang » yuan wang, yan wang, yuhuan huang
jeong yeon » jeong hyeok, jeang yean, seung yeon
jeong seo » hong seo, jeong su
wang hai » dang hai, wang hui, shang hai
tang min » chang min, sang minh, yang mind

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan wang hai (rene OR rent) ((tang min) OR (tang li)) ((jeong seo) OR (jeong yeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan wang hai (rene or rent) ((tang min) or (tang li)) ((jeong seo) OR (jeong yeon)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yuhan wang hai (rene or rent) ((tang min) or (tang li)) ((jeong seo) OR (jeong yeon)) ;*.