Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan wang » yuan wang, yan wang, yuhuan huang
minh jeong » min jeong, minh cong
sang minh » kang minah, anh minh, song min
jeong seo » jeong yeon, hong seo, jeong su
wang hui » wang hua, wang zhi, wang wei

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 hui (rene OR rent) sang minh jeong seo ;~.
• Adding a wildcard symbol may retrieve word variants: wang yuhan wang hui (rene or rent) sang minh jeong seo ;*.