Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kai » yuan kai
dang hadi » dang hai
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
kai hua » kai hwa
hong ng » hong kong, hong jong, hong hong
hong g » hong w, hong a, hong ghi
hong 7 » hong w, hong a

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 g) OR (hong 7))) or (hong ng))) or (dang hadi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan kai hua rene yang jin ((((((hong g) OR (hong 7))) OR (hong ng))) OR (dang hadi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan kai hua rene yang jin ((((((hong g) OR (hong 7))) or (hong ng))) or (dang hadi)) ;*".