Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang chua » wang hua, tang chun, yang chik
wang chun » tang chun, wong chun, wang hua
liang tan » liang dan, liang sun, wing tan
song sein » song shin, song jin, song min
hong ng » hong kong, hong jong, hong hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong ng ((yang chua) OR (wang chun)) yang liang tan ((wong lai) or (song sein)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong ng ((yang chua) OR (wang chun)) yang liang tan ((wong lai) OR (song sein)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hong ng ((yang chua) OR (wang chun)) yang liang tan ((wong lai) or (song sein)) ;*".