Perhaps you should try some spelling variations:
yuhan wang » yan wang, yuhuan huang
yuan wang » yan wang, yuan kang, yuan chang
chang tin » chang min, zhang tian, zhang ting
hua chin » hua chen
hsu chin » hsu bin, hsu shi
tin hong » tan hong, kia hong, thi hong
hong nam » chong nam, phuong nam, jeong nam

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 wang) or (yuan wang)) ((hua chin) or (hsu chin)) chang tin hong nam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yuhan wang) OR (yuan wang)) ((hua chin) OR (hsu chin)) chang tin hong nam ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yuhan wang) or (yuan wang)) ((hua chin) or (hsu chin)) chang tin hong nam ;*.