Perhaps you should try some spelling variations:
yang ligang » yang liang, wang liang, song ligang
class west » class what
wang yang » wang yan, wang liang, wang yanling
last west » east west, last best, ost west
wong shiu » cong shu, song shin, wong sau
yang jin » yang jie, yang jun, ying jin
wong siu » kong siu, wong sau, wong siew

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 ligang ((last west) OR (class west)) yang jin ((wong shiu) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ligang ((last west) or (class west)) yang jin ((wong shiu) or (wong siu)) ;*.