Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
liang sun » liang dan, liang tan, wing sun
song sein » song shin, song jin, song min
dong hua » tong hui, dong hoi, dong xu
hua wang » hwa wang, hua jiang, yuan wang
hua yang » hui yang, huang yang, hua jiang
wong sam » wong sau, wong lai, kong sar

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong hua wang hua yang liang sun ((wong sam) or (song sein)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hua wang hua yang liang sun ((wong sam) OR (song sein)) ;*.