Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan kai » yuan kai
qian wang » yiqian wang, qian rong, qian yan
yang jin » yang jie, yang jun, ying jin
yan wang » yuan wang, yang yang, yan liang
kai fa » kai a, kai fang
best » west
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 fa (text or best) ((yang jin) or (((yan wang) OR (qian wang)))) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuhan kai fa (text OR best) ((yang jin) OR (((yan wang) OR (qian wang)))) dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan kai fa (text or best) ((yang jin) or (((yan wang) OR (qian wang)))) dang hai ;".
• Adding a wildcard symbol may retrieve word variants: wang yuhan kai fa (text or best) ((yang jin) or (((yan wang) OR (qian wang)))) dang hai ;*.