Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, want done
wang yang » wang yan, wang liang, wang yanling
dang haji » dang hai
yang hua » wang hua, yang jui, yang jun
wang hui » wang hua, dang hai, wang zhi
ying jin » yang jin
yan jiu » yang jin
ren » rent, rene, rein

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dong) OR (wang yang)) ((yang hua) or (wang hui)) ren ((yan jiu) or (ying jin)) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dong) OR (wang yang)) ((yang hua) OR (wang hui)) ren ((yan jiu) OR (ying jin)) dang haji ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang dong) OR (wang yang)) ((yang hua) or (wang hui)) ren ((yan jiu) or (ying jin)) dang haji ;*".