Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
minh jeong » min jeong, minh cong
feng juan » meng yuan
sang minh » kang minah, anh minh, tang min
jeong seo » jeong yeon, hong seo
ting hai » hong hai
rene » irene, rent, gene

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) OR (feng juan)) ((ting hai) OR (dang hai)) rene sang minh jeong seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (feng juan)) ((ting hai) OR (dang hai)) rene sang minh jeong seo ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (feng juan)) ((ting hai) OR (dang hai)) rene sang minh jeong seo ;*.