Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan kai » yuan kai
dang haji » dang hai, dato haji
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
yan wang » yuan wang, yang yang, qian wang
kai fa » kai a, kai fang
best » west

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan kai fa (text or best) ((((yang jin) or (ying jin))) or (yan wang)) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan kai fa (text OR best) ((((yang jin) OR (ying jin))) OR (yan wang)) dang haji ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan kai fa (text or best) ((((yang jin) or (ying jin))) or (yan wang)) dang haji ;*.