Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang muxi » yang jui, yang xi, yang mu
song minh » sang minh, song ming, gong min
zhang zhi » zhong zhi, wang zhi, zhang wei
yang hui » yang jui, zhang hui, yang di
song min » song ming, gong min, jong min
wang hui » wang hua, wang zhi, wang wei

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang muxi) OR (yang hui)) li ((song minh) OR (song min)) ((wang hui) OR (zhang zhi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((yang muxi) OR (yang hui)) li ((song minh) or (song min)) ((wang hui) or (zhang zhi)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang muxi) OR (yang hui)) li ((song minh) or (song min)) ((wang hui) or (zhang zhi)) ;*.