Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
chin chang » china chang, chain change, china zhang
chang xin » zhang xin, chang min, chang ann
ting jia » jing jia, ping jia, jing ji
jia chin » je chin, jia xin, jia qin
xin hong » tin hong, min hong, xie hong
hong ghi » zhong zhi, hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (wang yuhan)) ting jia chin chang xin hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (wang yuhan)) ting jia chin chang xin hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (wang yuhan)) ting jia chin chang xin hong ghi ;*.