Perhaps you should try some spelling variations:
yang yulu » mang yul, yang yue
chen ping » chen rong, chen yang, chen wang
wong shiu » wong siu, cong shu, song shin
wang hui » wang hua, wang zhi, wang wei
yang yun » yang jun, tang yun, yang yue
ping ma » ping fa, ping jia
ma wong » ma hong, ma rong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tong hui) or (wang hui)) ((yang yulu) OR (yang yun)) chen ping ma wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tong hui) OR (wang hui)) ((yang yulu) OR (yang yun)) chen ping ma wong shiu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tong hui) or (wang hui)) ((yang yulu) OR (yang yun)) chen ping ma wong shiu ;*".