Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan fei » yuan fei, han fei, yan fei
hong than » hong tan, long thanh, hong hai
liang li » ling li, qiang li, liang wei
yang jin » yang jie, yang jun, ying jin
yi chen » jui chen
fei yi » wei yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuhan fei yi chen ((liang li) or (yang jin)) hong than ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan fei yi chen ((liang li) OR (yang jin)) hong than ;*.