Perhaps you should try some spelling variations:
juan meng » juan rene, jui meng, yuan ming
meng duan » meng yuan, meng hsuan, feng juan
lian song » li song
wing sun » liang sun, cong sun, nina sun
dong bin » dong sin, dong di, dann bin
jin song » jie song, john song, kim song
y juan » _ juan, v juan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing sun) or (dong bin)) y juan meng duan ((lian song) OR (jin song)) jin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing sun) OR (dong bin)) y juan meng duan ((lian song) OR (jin song)) jin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing sun) or (dong bin)) y juan meng duan ((lian song) OR (jin song)) jin ;*".