Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kai » yuan kai
hong jong » hong kong
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
kai hua » kai hwa
hong ng » hong kong, hong hong
hong a » hong ma, hong w, kong a
hai » hadi, haji, hari

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 kai hua rene yang jin ((((hong a) or (((hong ng) OR (hong jong))))) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan kai hua rene yang jin ((((hong a) OR (((hong ng) OR (hong jong))))) OR (dang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan kai hua rene yang jin ((((hong a) or (((hong ng) OR (hong jong))))) or (dang hai)) ;*".