Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang jing
wang yang » wang yan, wang liang, wang yanling
dang haji » dang hai, dato haji
yang hua » wang hua, yang hui, ying hua
wang hui » wang hua, wang zhi, wang wei
ying jin » yang jin, jing ji, yang jie
yan jiu » yang jie, yang jin, pang jiu

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 ;~.
• 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 ;*".